Home / 384,139.35-576,209.03-103,656.15

Finding the Fourth Proportional to 384,139.35, 576,209.03 and 103,656.15

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Solution

The fourth proportional to 384,139.35, 576,209.03 and 103,656.15 is: 155,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,139.35 : 576,209.03 = 103,656.15 : x
  2. Step 2: Convert to fraction form
    384,139.35/576,209.03 = 103,656.15/x
  3. Step 3: Cross multiply
    384,139.35x = 576,209.03 × 103,656.15
  4. Step 4: Simplify right side
    384,139.35x = 59,727,609,126.75
  5. Step 5: Solve for x
    x = 59,727,609,126.75/384,139.35
  6. Step 6: Final answer
    x = 155,484.23

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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.