Home / 331,279.02-497,001.15-153,911.70

Finding the Fourth Proportional to 331,279.02, 497,001.15 and 153,911.70

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Solution

The fourth proportional to 331,279.02, 497,001.15 and 153,911.70 is: 230,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,279.02 : 497,001.15 = 153,911.70 : x
  2. Step 2: Convert to fraction form
    331,279.02/497,001.15 = 153,911.70/x
  3. Step 3: Cross multiply
    331,279.02x = 497,001.15 × 153,911.70
  4. Step 4: Simplify right side
    331,279.02x = 76,494,291,898.46
  5. Step 5: Solve for x
    x = 76,494,291,898.46/331,279.02
  6. Step 6: Final answer
    x = 230,905.94

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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.