Home / 331,278.02-496,999.65-153,910.70

Finding the Fourth Proportional to 331,278.02, 496,999.65 and 153,910.70

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Solution

The fourth proportional to 331,278.02, 496,999.65 and 153,910.70 is: 230,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,278.02 : 496,999.65 = 153,910.70 : x
  2. Step 2: Convert to fraction form
    331,278.02/496,999.65 = 153,910.70/x
  3. Step 3: Cross multiply
    331,278.02x = 496,999.65 × 153,910.70
  4. Step 4: Simplify right side
    331,278.02x = 76,493,564,031.26
  5. Step 5: Solve for x
    x = 76,493,564,031.26/331,278.02
  6. Step 6: Final answer
    x = 230,904.43

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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.