Home / 319,522.59-479,296.04-106,309.53

Finding the Fourth Proportional to 319,522.59, 479,296.04 and 106,309.53

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Solution

The fourth proportional to 319,522.59, 479,296.04 and 106,309.53 is: 159,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,522.59 : 479,296.04 = 106,309.53 : x
  2. Step 2: Convert to fraction form
    319,522.59/479,296.04 = 106,309.53/x
  3. Step 3: Cross multiply
    319,522.59x = 479,296.04 × 106,309.53
  4. Step 4: Simplify right side
    319,522.59x = 50,953,736,211.71
  5. Step 5: Solve for x
    x = 50,953,736,211.71/319,522.59
  6. Step 6: Final answer
    x = 159,468.34

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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.