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Finding the Fourth Proportional to 360,577.28, 540,895.08 and 123,920.12

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Solution

The fourth proportional to 360,577.28, 540,895.08 and 123,920.12 is: 185,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,577.28 : 540,895.08 = 123,920.12 : x
  2. Step 2: Convert to fraction form
    360,577.28/540,895.08 = 123,920.12/x
  3. Step 3: Cross multiply
    360,577.28x = 540,895.08 × 123,920.12
  4. Step 4: Simplify right side
    360,577.28x = 67,027,783,221.01
  5. Step 5: Solve for x
    x = 67,027,783,221.01/360,577.28
  6. Step 6: Final answer
    x = 185,890.20

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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.