Home / 288,769.40-398,607.29-174,052.14

Finding the Fourth Proportional to 288,769.40, 398,607.29 and 174,052.14

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Solution

The fourth proportional to 288,769.40, 398,607.29 and 174,052.14 is: 240,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,769.40 : 398,607.29 = 174,052.14 : x
  2. Step 2: Convert to fraction form
    288,769.40/398,607.29 = 174,052.14/x
  3. Step 3: Cross multiply
    288,769.40x = 398,607.29 × 174,052.14
  4. Step 4: Simplify right side
    288,769.40x = 69,378,451,844.10
  5. Step 5: Solve for x
    x = 69,378,451,844.10/288,769.40
  6. Step 6: Final answer
    x = 240,255.55

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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.