Home / 319,314.88-479,037.12-119,631.52

Finding the Fourth Proportional to 319,314.88, 479,037.12 and 119,631.52

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Solution

The fourth proportional to 319,314.88, 479,037.12 and 119,631.52 is: 179,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,314.88 : 479,037.12 = 119,631.52 : x
  2. Step 2: Convert to fraction form
    319,314.88/479,037.12 = 119,631.52/x
  3. Step 3: Cross multiply
    319,314.88x = 479,037.12 × 119,631.52
  4. Step 4: Simplify right side
    319,314.88x = 57,307,938,802.02
  5. Step 5: Solve for x
    x = 57,307,938,802.02/319,314.88
  6. Step 6: Final answer
    x = 179,471.56

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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.