Home / 438,551.52-657,882.63-154,175.22

Finding the Fourth Proportional to 438,551.52, 657,882.63 and 154,175.22

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Solution

The fourth proportional to 438,551.52, 657,882.63 and 154,175.22 is: 231,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,551.52 : 657,882.63 = 154,175.22 : x
  2. Step 2: Convert to fraction form
    438,551.52/657,882.63 = 154,175.22/x
  3. Step 3: Cross multiply
    438,551.52x = 657,882.63 × 154,175.22
  4. Step 4: Simplify right side
    438,551.52x = 101,429,199,214.43
  5. Step 5: Solve for x
    x = 101,429,199,214.43/438,551.52
  6. Step 6: Final answer
    x = 231,282.29

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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.