Home / 278,402.02-417,466.95-194,202.52

Finding the Fourth Proportional to 278,402.02, 417,466.95 and 194,202.52

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Solution

The fourth proportional to 278,402.02, 417,466.95 and 194,202.52 is: 291,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,402.02 : 417,466.95 = 194,202.52 : x
  2. Step 2: Convert to fraction form
    278,402.02/417,466.95 = 194,202.52/x
  3. Step 3: Cross multiply
    278,402.02x = 417,466.95 × 194,202.52
  4. Step 4: Simplify right side
    278,402.02x = 81,073,133,706.71
  5. Step 5: Solve for x
    x = 81,073,133,706.71/278,402.02
  6. Step 6: Final answer
    x = 291,208.86

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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.