Home / 331,399.68-457,186.02-223,930.50

Finding the Fourth Proportional to 331,399.68, 457,186.02 and 223,930.50

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Solution

The fourth proportional to 331,399.68, 457,186.02 and 223,930.50 is: 308,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,399.68 : 457,186.02 = 223,930.50 : x
  2. Step 2: Convert to fraction form
    331,399.68/457,186.02 = 223,930.50/x
  3. Step 3: Cross multiply
    331,399.68x = 457,186.02 × 223,930.50
  4. Step 4: Simplify right side
    331,399.68x = 102,377,894,051.61
  5. Step 5: Solve for x
    x = 102,377,894,051.61/331,399.68
  6. Step 6: Final answer
    x = 308,925.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.