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Finding the Fourth Proportional to 367,007.35, 550,511.03 and 260,719.15

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Solution

The fourth proportional to 367,007.35, 550,511.03 and 260,719.15 is: 391,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,007.35 : 550,511.03 = 260,719.15 : x
  2. Step 2: Convert to fraction form
    367,007.35/550,511.03 = 260,719.15/x
  3. Step 3: Cross multiply
    367,007.35x = 550,511.03 × 260,719.15
  4. Step 4: Simplify right side
    367,007.35x = 143,528,767,807.23
  5. Step 5: Solve for x
    x = 143,528,767,807.23/367,007.35
  6. Step 6: Final answer
    x = 391,078.73

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.