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Finding the Fourth Proportional to 242,483.79, 334,638.02 and 135,053.85

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Solution

The fourth proportional to 242,483.79, 334,638.02 and 135,053.85 is: 186,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,483.79 : 334,638.02 = 135,053.85 : x
  2. Step 2: Convert to fraction form
    242,483.79/334,638.02 = 135,053.85/x
  3. Step 3: Cross multiply
    242,483.79x = 334,638.02 × 135,053.85
  4. Step 4: Simplify right side
    242,483.79x = 45,194,152,282.11
  5. Step 5: Solve for x
    x = 45,194,152,282.11/242,483.79
  6. Step 6: Final answer
    x = 186,380.10

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Why These Related Problems?

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