Home / 319,638.03-479,332.40-119,849.55

Finding the Fourth Proportional to 319,638.03, 479,332.40 and 119,849.55

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Solution

The fourth proportional to 319,638.03, 479,332.40 and 119,849.55 is: 179,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,638.03 : 479,332.40 = 119,849.55 : x
  2. Step 2: Convert to fraction form
    319,638.03/479,332.40 = 119,849.55/x
  3. Step 3: Cross multiply
    319,638.03x = 479,332.40 × 119,849.55
  4. Step 4: Simplify right side
    319,638.03x = 57,447,771,841.17
  5. Step 5: Solve for x
    x = 57,447,771,841.17/319,638.03
  6. Step 6: Final answer
    x = 179,727.59

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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.