Home / 286,589.10-429,228.15-136,934.52

Finding the Fourth Proportional to 286,589.10, 429,228.15 and 136,934.52

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Solution

The fourth proportional to 286,589.10, 429,228.15 and 136,934.52 is: 205,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,589.10 : 429,228.15 = 136,934.52 : x
  2. Step 2: Convert to fraction form
    286,589.10/429,228.15 = 136,934.52/x
  3. Step 3: Cross multiply
    286,589.10x = 429,228.15 × 136,934.52
  4. Step 4: Simplify right side
    286,589.10x = 58,776,150,690.74
  5. Step 5: Solve for x
    x = 58,776,150,690.74/286,589.10
  6. Step 6: Final answer
    x = 205,088.58

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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.