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Finding the Fourth Proportional to 286,433.01, 429,658.02 and 136,689.12

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Solution

The fourth proportional to 286,433.01, 429,658.02 and 136,689.12 is: 205,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,433.01 : 429,658.02 = 136,689.12 : x
  2. Step 2: Convert to fraction form
    286,433.01/429,658.02 = 136,689.12/x
  3. Step 3: Cross multiply
    286,433.01x = 429,658.02 × 136,689.12
  4. Step 4: Simplify right side
    286,433.01x = 58,729,576,654.74
  5. Step 5: Solve for x
    x = 58,729,576,654.74/286,433.01
  6. Step 6: Final answer
    x = 205,037.74

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1.5x scale

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.