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Finding the Fourth Proportional to 340,375.68, 510,640.47 and 112,670.91

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Solution

The fourth proportional to 340,375.68, 510,640.47 and 112,670.91 is: 169,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,375.68 : 510,640.47 = 112,670.91 : x
  2. Step 2: Convert to fraction form
    340,375.68/510,640.47 = 112,670.91/x
  3. Step 3: Cross multiply
    340,375.68x = 510,640.47 × 112,670.91
  4. Step 4: Simplify right side
    340,375.68x = 57,534,326,437.73
  5. Step 5: Solve for x
    x = 57,534,326,437.73/340,375.68
  6. Step 6: Final answer
    x = 169,031.84

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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.