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Finding the Fourth Proportional to 228,129.68, 314,818.36 and 124,763.92

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Solution

The fourth proportional to 228,129.68, 314,818.36 and 124,763.92 is: 172,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,129.68 : 314,818.36 = 124,763.92 : x
  2. Step 2: Convert to fraction form
    228,129.68/314,818.36 = 124,763.92/x
  3. Step 3: Cross multiply
    228,129.68x = 314,818.36 × 124,763.92
  4. Step 4: Simplify right side
    228,129.68x = 39,277,972,681.57
  5. Step 5: Solve for x
    x = 39,277,972,681.57/228,129.68
  6. Step 6: Final answer
    x = 172,173.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.