Home / 557,105.61-835,559.58-253,429.05

Finding the Fourth Proportional to 557,105.61, 835,559.58 and 253,429.05

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Solution

The fourth proportional to 557,105.61, 835,559.58 and 253,429.05 is: 380,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,105.61 : 835,559.58 = 253,429.05 : x
  2. Step 2: Convert to fraction form
    557,105.61/835,559.58 = 253,429.05/x
  3. Step 3: Cross multiply
    557,105.61x = 835,559.58 × 253,429.05
  4. Step 4: Simplify right side
    557,105.61x = 211,755,070,577.80
  5. Step 5: Solve for x
    x = 211,755,070,577.80/557,105.61
  6. Step 6: Final answer
    x = 380,098.61

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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.