Home / 398,827.80-598,066.56-149,334.84

Finding the Fourth Proportional to 398,827.80, 598,066.56 and 149,334.84

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Solution

The fourth proportional to 398,827.80, 598,066.56 and 149,334.84 is: 223,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,827.80 : 598,066.56 = 149,334.84 : x
  2. Step 2: Convert to fraction form
    398,827.80/598,066.56 = 149,334.84/x
  3. Step 3: Cross multiply
    398,827.80x = 598,066.56 × 149,334.84
  4. Step 4: Simplify right side
    398,827.80x = 89,312,174,046.95
  5. Step 5: Solve for x
    x = 89,312,174,046.95/398,827.80
  6. Step 6: Final answer
    x = 223,936.68

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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.