Home / 331,937.86-497,907.10-142,275.15

Finding the Fourth Proportional to 331,937.86, 497,907.10 and 142,275.15

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Solution

The fourth proportional to 331,937.86, 497,907.10 and 142,275.15 is: 213,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,937.86 : 497,907.10 = 142,275.15 : x
  2. Step 2: Convert to fraction form
    331,937.86/497,907.10 = 142,275.15/x
  3. Step 3: Cross multiply
    331,937.86x = 497,907.10 × 142,275.15
  4. Step 4: Simplify right side
    331,937.86x = 70,839,807,338.57
  5. Step 5: Solve for x
    x = 70,839,807,338.57/331,937.86
  6. Step 6: Final answer
    x = 213,412.86

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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.