Home / 286,517.19-429,185.14-167,828.70

Finding the Fourth Proportional to 286,517.19, 429,185.14 and 167,828.70

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Solution

The fourth proportional to 286,517.19, 429,185.14 and 167,828.70 is: 251,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,517.19 : 429,185.14 = 167,828.70 : x
  2. Step 2: Convert to fraction form
    286,517.19/429,185.14 = 167,828.70/x
  3. Step 3: Cross multiply
    286,517.19x = 429,185.14 × 167,828.70
  4. Step 4: Simplify right side
    286,517.19x = 72,029,584,105.52
  5. Step 5: Solve for x
    x = 72,029,584,105.52/286,517.19
  6. Step 6: Final answer
    x = 251,397.08

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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.