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Finding the Fourth Proportional to 270,875.69, 373,870.65 and 180,235.46

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Solution

The fourth proportional to 270,875.69, 373,870.65 and 180,235.46 is: 248,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,875.69 : 373,870.65 = 180,235.46 : x
  2. Step 2: Convert to fraction form
    270,875.69/373,870.65 = 180,235.46/x
  3. Step 3: Cross multiply
    270,875.69x = 373,870.65 × 180,235.46
  4. Step 4: Simplify right side
    270,875.69x = 67,384,748,583.25
  5. Step 5: Solve for x
    x = 67,384,748,583.25/270,875.69
  6. Step 6: Final answer
    x = 248,766.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.