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Finding the Fourth Proportional to 499,841.52, 689,779.23 and 270,398.27

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Solution

The fourth proportional to 499,841.52, 689,779.23 and 270,398.27 is: 373,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,841.52 : 689,779.23 = 270,398.27 : x
  2. Step 2: Convert to fraction form
    499,841.52/689,779.23 = 270,398.27/x
  3. Step 3: Cross multiply
    499,841.52x = 689,779.23 × 270,398.27
  4. Step 4: Simplify right side
    499,841.52x = 186,515,107,025.04
  5. Step 5: Solve for x
    x = 186,515,107,025.04/499,841.52
  6. Step 6: Final answer
    x = 373,148.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.