Home / 278,336.02-417,372.81-165,987.10

Finding the Fourth Proportional to 278,336.02, 417,372.81 and 165,987.10

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Solution

The fourth proportional to 278,336.02, 417,372.81 and 165,987.10 is: 248,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,336.02 : 417,372.81 = 165,987.10 : x
  2. Step 2: Convert to fraction form
    278,336.02/417,372.81 = 165,987.10/x
  3. Step 3: Cross multiply
    278,336.02x = 417,372.81 × 165,987.10
  4. Step 4: Simplify right side
    278,336.02x = 69,278,502,350.75
  5. Step 5: Solve for x
    x = 69,278,502,350.75/278,336.02
  6. Step 6: Final answer
    x = 248,902.40

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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.