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Finding the Fourth Proportional to 362,874.76, 500,028.64 and 280,703.80

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Solution

The fourth proportional to 362,874.76, 500,028.64 and 280,703.80 is: 386,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,874.76 : 500,028.64 = 280,703.80 : x
  2. Step 2: Convert to fraction form
    362,874.76/500,028.64 = 280,703.80/x
  3. Step 3: Cross multiply
    362,874.76x = 500,028.64 × 280,703.80
  4. Step 4: Simplify right side
    362,874.76x = 140,359,939,356.83
  5. Step 5: Solve for x
    x = 140,359,939,356.83/362,874.76
  6. Step 6: Final answer
    x = 386,799.95

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1.5x scale

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.