Home / 286,272.30-429,246.45-108,785.10

Finding the Fourth Proportional to 286,272.30, 429,246.45 and 108,785.10

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Solution

The fourth proportional to 286,272.30, 429,246.45 and 108,785.10 is: 163,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,272.30 : 429,246.45 = 108,785.10 : x
  2. Step 2: Convert to fraction form
    286,272.30/429,246.45 = 108,785.10/x
  3. Step 3: Cross multiply
    286,272.30x = 429,246.45 × 108,785.10
  4. Step 4: Simplify right side
    286,272.30x = 46,695,617,987.90
  5. Step 5: Solve for x
    x = 46,695,617,987.90/286,272.30
  6. Step 6: Final answer
    x = 163,116.09

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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.