Home / 319,534.88-479,376.16-94,890.40

Finding the Fourth Proportional to 319,534.88, 479,376.16 and 94,890.40

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Solution

The fourth proportional to 319,534.88, 479,376.16 and 94,890.40 is: 142,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,534.88 : 479,376.16 = 94,890.40 : x
  2. Step 2: Convert to fraction form
    319,534.88/479,376.16 = 94,890.40/x
  3. Step 3: Cross multiply
    319,534.88x = 479,376.16 × 94,890.40
  4. Step 4: Simplify right side
    319,534.88x = 45,488,195,572.86
  5. Step 5: Solve for x
    x = 45,488,195,572.86/319,534.88
  6. Step 6: Final answer
    x = 142,357.53

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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.