Home / 331,514.05-497,274.45-181,672.69

Finding the Fourth Proportional to 331,514.05, 497,274.45 and 181,672.69

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Solution

The fourth proportional to 331,514.05, 497,274.45 and 181,672.69 is: 272,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,514.05 : 497,274.45 = 181,672.69 : x
  2. Step 2: Convert to fraction form
    331,514.05/497,274.45 = 181,672.69/x
  3. Step 3: Cross multiply
    331,514.05x = 497,274.45 × 181,672.69
  4. Step 4: Simplify right side
    331,514.05x = 90,341,186,999.77
  5. Step 5: Solve for x
    x = 90,341,186,999.77/331,514.05
  6. Step 6: Final answer
    x = 272,510.88

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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.