Home / 278,403.02-417,468.45-194,203.52

Finding the Fourth Proportional to 278,403.02, 417,468.45 and 194,203.52

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Solution

The fourth proportional to 278,403.02, 417,468.45 and 194,203.52 is: 291,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,403.02 : 417,468.45 = 194,203.52 : x
  2. Step 2: Convert to fraction form
    278,403.02/417,468.45 = 194,203.52/x
  3. Step 3: Cross multiply
    278,403.02x = 417,468.45 × 194,203.52
  4. Step 4: Simplify right side
    278,403.02x = 81,073,842,478.94
  5. Step 5: Solve for x
    x = 81,073,842,478.94/278,403.02
  6. Step 6: Final answer
    x = 291,210.36

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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.