Home / 438,322.10-657,029.55-238,219.70

Finding the Fourth Proportional to 438,322.10, 657,029.55 and 238,219.70

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Solution

The fourth proportional to 438,322.10, 657,029.55 and 238,219.70 is: 357,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,322.10 : 657,029.55 = 238,219.70 : x
  2. Step 2: Convert to fraction form
    438,322.10/657,029.55 = 238,219.70/x
  3. Step 3: Cross multiply
    438,322.10x = 657,029.55 × 238,219.70
  4. Step 4: Simplify right side
    438,322.10x = 156,517,382,292.14
  5. Step 5: Solve for x
    x = 156,517,382,292.14/438,322.10
  6. Step 6: Final answer
    x = 357,083.03

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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.