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Finding the Fourth Proportional to 242,107.72, 334,111.20 and 133,213.48

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Solution

The fourth proportional to 242,107.72, 334,111.20 and 133,213.48 is: 183,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,107.72 : 334,111.20 = 133,213.48 : x
  2. Step 2: Convert to fraction form
    242,107.72/334,111.20 = 133,213.48/x
  3. Step 3: Cross multiply
    242,107.72x = 334,111.20 × 133,213.48
  4. Step 4: Simplify right side
    242,107.72x = 44,508,114,324.15
  5. Step 5: Solve for x
    x = 44,508,114,324.15/242,107.72
  6. Step 6: Final answer
    x = 183,836.00

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1.5x scale

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.