Home / 438,088.31-657,204.57-134,474.85

Finding the Fourth Proportional to 438,088.31, 657,204.57 and 134,474.85

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Solution

The fourth proportional to 438,088.31, 657,204.57 and 134,474.85 is: 201,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,088.31 : 657,204.57 = 134,474.85 : x
  2. Step 2: Convert to fraction form
    438,088.31/657,204.57 = 134,474.85/x
  3. Step 3: Cross multiply
    438,088.31x = 657,204.57 × 134,474.85
  4. Step 4: Simplify right side
    438,088.31x = 88,377,482,347.85
  5. Step 5: Solve for x
    x = 88,377,482,347.85/438,088.31
  6. Step 6: Final answer
    x = 201,734.40

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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.