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Finding the Fourth Proportional to 425,016.59, 637,098.93 and 197,472.07

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Solution

The fourth proportional to 425,016.59, 637,098.93 and 197,472.07 is: 296,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,016.59 : 637,098.93 = 197,472.07 : x
  2. Step 2: Convert to fraction form
    425,016.59/637,098.93 = 197,472.07/x
  3. Step 3: Cross multiply
    425,016.59x = 637,098.93 × 197,472.07
  4. Step 4: Simplify right side
    425,016.59x = 125,809,240,329.03
  5. Step 5: Solve for x
    x = 125,809,240,329.03/425,016.59
  6. Step 6: Final answer
    x = 296,010.19

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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.