Home / 278,365.02-417,757.45-203,677.86

Finding the Fourth Proportional to 278,365.02, 417,757.45 and 203,677.86

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Solution

The fourth proportional to 278,365.02, 417,757.45 and 203,677.86 is: 305,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,365.02 : 417,757.45 = 203,677.86 : x
  2. Step 2: Convert to fraction form
    278,365.02/417,757.45 = 203,677.86/x
  3. Step 3: Cross multiply
    278,365.02x = 417,757.45 × 203,677.86
  4. Step 4: Simplify right side
    278,365.02x = 85,087,942,504.46
  5. Step 5: Solve for x
    x = 85,087,942,504.46/278,365.02
  6. Step 6: Final answer
    x = 305,670.38

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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.