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Finding the Fourth Proportional to 360,227.93, 540,280.40 and 120,308.63

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Solution

The fourth proportional to 360,227.93, 540,280.40 and 120,308.63 is: 180,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,227.93 : 540,280.40 = 120,308.63 : x
  2. Step 2: Convert to fraction form
    360,227.93/540,280.40 = 120,308.63/x
  3. Step 3: Cross multiply
    360,227.93x = 540,280.40 × 120,308.63
  4. Step 4: Simplify right side
    360,227.93x = 65,000,391,436.91
  5. Step 5: Solve for x
    x = 65,000,391,436.91/360,227.93
  6. Step 6: Final answer
    x = 180,442.40

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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.