Home / 331,881.50-497,886.35-142,315.38

Finding the Fourth Proportional to 331,881.50, 497,886.35 and 142,315.38

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Solution

The fourth proportional to 331,881.50, 497,886.35 and 142,315.38 is: 213,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,881.50 : 497,886.35 = 142,315.38 : x
  2. Step 2: Convert to fraction form
    331,881.50/497,886.35 = 142,315.38/x
  3. Step 3: Cross multiply
    331,881.50x = 497,886.35 × 142,315.38
  4. Step 4: Simplify right side
    331,881.50x = 70,856,884,385.49
  5. Step 5: Solve for x
    x = 70,856,884,385.49/331,881.50
  6. Step 6: Final answer
    x = 213,500.55

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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.