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Finding the Fourth Proportional to 232,720.52, 349,080.78 and 153,818.42

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Solution

The fourth proportional to 232,720.52, 349,080.78 and 153,818.42 is: 230,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,720.52 : 349,080.78 = 153,818.42 : x
  2. Step 2: Convert to fraction form
    232,720.52/349,080.78 = 153,818.42/x
  3. Step 3: Cross multiply
    232,720.52x = 349,080.78 × 153,818.42
  4. Step 4: Simplify right side
    232,720.52x = 53,695,054,031.97
  5. Step 5: Solve for x
    x = 53,695,054,031.97/232,720.52
  6. Step 6: Final answer
    x = 230,727.63

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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.