Home / 438,250.10-657,623.02-238,584.30

Finding the Fourth Proportional to 438,250.10, 657,623.02 and 238,584.30

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Solution

The fourth proportional to 438,250.10, 657,623.02 and 238,584.30 is: 358,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,250.10 : 657,623.02 = 238,584.30 : x
  2. Step 2: Convert to fraction form
    438,250.10/657,623.02 = 238,584.30/x
  3. Step 3: Cross multiply
    438,250.10x = 657,623.02 × 238,584.30
  4. Step 4: Simplify right side
    438,250.10x = 156,898,527,890.59
  5. Step 5: Solve for x
    x = 156,898,527,890.59/438,250.10
  6. Step 6: Final answer
    x = 358,011.39

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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.