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Finding the Fourth Proportional to 286,285.52, 429,519 and 223,321.52

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Solution

The fourth proportional to 286,285.52, 429,519 and 223,321.52 is: 335,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,285.52 : 429,519 = 223,321.52 : x
  2. Step 2: Convert to fraction form
    286,285.52/429,519 = 223,321.52/x
  3. Step 3: Cross multiply
    286,285.52x = 429,519 × 223,321.52
  4. Step 4: Simplify right side
    286,285.52x = 95,920,835,948.88
  5. Step 5: Solve for x
    x = 95,920,835,948.88/286,285.52
  6. Step 6: Final answer
    x = 335,053.05

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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.