Home / 462,715.20-638,551.35-269,132.90

Finding the Fourth Proportional to 462,715.20, 638,551.35 and 269,132.90

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Solution

The fourth proportional to 462,715.20, 638,551.35 and 269,132.90 is: 371,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,715.20 : 638,551.35 = 269,132.90 : x
  2. Step 2: Convert to fraction form
    462,715.20/638,551.35 = 269,132.90/x
  3. Step 3: Cross multiply
    462,715.20x = 638,551.35 × 269,132.90
  4. Step 4: Simplify right side
    462,715.20x = 171,855,173,431.66
  5. Step 5: Solve for x
    x = 171,855,173,431.66/462,715.20
  6. Step 6: Final answer
    x = 371,405.94

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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.