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Finding the Fourth Proportional to 242,255.76, 362,607.48 and 129,654.48

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Solution

The fourth proportional to 242,255.76, 362,607.48 and 129,654.48 is: 194,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,255.76 : 362,607.48 = 129,654.48 : x
  2. Step 2: Convert to fraction form
    242,255.76/362,607.48 = 129,654.48/x
  3. Step 3: Cross multiply
    242,255.76x = 362,607.48 × 129,654.48
  4. Step 4: Simplify right side
    242,255.76x = 47,013,684,263.51
  5. Step 5: Solve for x
    x = 47,013,684,263.51/242,255.76
  6. Step 6: Final answer
    x = 194,066.32

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1.5x scale

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.