Home / 278,337.02-417,374.30-165,988.10

Finding the Fourth Proportional to 278,337.02, 417,374.30 and 165,988.10

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Solution

The fourth proportional to 278,337.02, 417,374.30 and 165,988.10 is: 248,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,337.02 : 417,374.30 = 165,988.10 : x
  2. Step 2: Convert to fraction form
    278,337.02/417,374.30 = 165,988.10/x
  3. Step 3: Cross multiply
    278,337.02x = 417,374.30 × 165,988.10
  4. Step 4: Simplify right side
    278,337.02x = 69,279,167,045.83
  5. Step 5: Solve for x
    x = 69,279,167,045.83/278,337.02
  6. Step 6: Final answer
    x = 248,903.89

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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.