Home / 297,375.02-409,811.87-291,909.95

Finding the Fourth Proportional to 297,375.02, 409,811.87 and 291,909.95

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Solution

The fourth proportional to 297,375.02, 409,811.87 and 291,909.95 is: 402,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,375.02 : 409,811.87 = 291,909.95 : x
  2. Step 2: Convert to fraction form
    297,375.02/409,811.87 = 291,909.95/x
  3. Step 3: Cross multiply
    297,375.02x = 409,811.87 × 291,909.95
  4. Step 4: Simplify right side
    297,375.02x = 119,628,162,481.11
  5. Step 5: Solve for x
    x = 119,628,162,481.11/297,375.02
  6. Step 6: Final answer
    x = 402,280.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.