Home / 260,226.69-390,340.17-73,238.19

Finding the Fourth Proportional to 260,226.69, 390,340.17 and 73,238.19

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Solution

The fourth proportional to 260,226.69, 390,340.17 and 73,238.19 is: 109,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,226.69 : 390,340.17 = 73,238.19 : x
  2. Step 2: Convert to fraction form
    260,226.69/390,340.17 = 73,238.19/x
  3. Step 3: Cross multiply
    260,226.69x = 390,340.17 × 73,238.19
  4. Step 4: Simplify right side
    260,226.69x = 28,587,807,535.09
  5. Step 5: Solve for x
    x = 28,587,807,535.09/260,226.69
  6. Step 6: Final answer
    x = 109,857.32

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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.