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Finding the Fourth Proportional to 438,750.16, 657,989.14 and 158,230.96

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Solution

The fourth proportional to 438,750.16, 657,989.14 and 158,230.96 is: 237,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,750.16 : 657,989.14 = 158,230.96 : x
  2. Step 2: Convert to fraction form
    438,750.16/657,989.14 = 158,230.96/x
  3. Step 3: Cross multiply
    438,750.16x = 657,989.14 × 158,230.96
  4. Step 4: Simplify right side
    438,750.16x = 104,114,253,291.77
  5. Step 5: Solve for x
    x = 104,114,253,291.77/438,750.16
  6. Step 6: Final answer
    x = 237,297.36

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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.