Home / 228,839.55-342,799.65-128,849.91

Finding the Fourth Proportional to 228,839.55, 342,799.65 and 128,849.91

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Solution

The fourth proportional to 228,839.55, 342,799.65 and 128,849.91 is: 193,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,839.55 : 342,799.65 = 128,849.91 : x
  2. Step 2: Convert to fraction form
    228,839.55/342,799.65 = 128,849.91/x
  3. Step 3: Cross multiply
    228,839.55x = 342,799.65 × 128,849.91
  4. Step 4: Simplify right side
    228,839.55x = 44,169,704,050.53
  5. Step 5: Solve for x
    x = 44,169,704,050.53/228,839.55
  6. Step 6: Final answer
    x = 193,016.04

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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.