Home / 361,426.02-498,770.85-200,283.78

Finding the Fourth Proportional to 361,426.02, 498,770.85 and 200,283.78

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Solution

The fourth proportional to 361,426.02, 498,770.85 and 200,283.78 is: 276,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,426.02 : 498,770.85 = 200,283.78 : x
  2. Step 2: Convert to fraction form
    361,426.02/498,770.85 = 200,283.78/x
  3. Step 3: Cross multiply
    361,426.02x = 498,770.85 × 200,283.78
  4. Step 4: Simplify right side
    361,426.02x = 99,895,711,191.81
  5. Step 5: Solve for x
    x = 99,895,711,191.81/361,426.02
  6. Step 6: Final answer
    x = 276,393.25

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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.