Home / 286,493.18-429,618.27-136,560.02

Finding the Fourth Proportional to 286,493.18, 429,618.27 and 136,560.02

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Solution

The fourth proportional to 286,493.18, 429,618.27 and 136,560.02 is: 204,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,493.18 : 429,618.27 = 136,560.02 : x
  2. Step 2: Convert to fraction form
    286,493.18/429,618.27 = 136,560.02/x
  3. Step 3: Cross multiply
    286,493.18x = 429,618.27 × 136,560.02
  4. Step 4: Simplify right side
    286,493.18x = 58,668,679,543.57
  5. Step 5: Solve for x
    x = 58,668,679,543.57/286,493.18
  6. Step 6: Final answer
    x = 204,782.12

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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.