Home / 331,280.52-497,003.40-153,913.20

Finding the Fourth Proportional to 331,280.52, 497,003.40 and 153,913.20

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Solution

The fourth proportional to 331,280.52, 497,003.40 and 153,913.20 is: 230,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,280.52 : 497,003.40 = 153,913.20 : x
  2. Step 2: Convert to fraction form
    331,280.52/497,003.40 = 153,913.20/x
  3. Step 3: Cross multiply
    331,280.52x = 497,003.40 × 153,913.20
  4. Step 4: Simplify right side
    331,280.52x = 76,495,383,704.88
  5. Step 5: Solve for x
    x = 76,495,383,704.88/331,280.52
  6. Step 6: Final answer
    x = 230,908.19

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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.