Home / 398,287.16-597,547.38-117,811.88

Finding the Fourth Proportional to 398,287.16, 597,547.38 and 117,811.88

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Solution

The fourth proportional to 398,287.16, 597,547.38 and 117,811.88 is: 176,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,287.16 : 597,547.38 = 117,811.88 : x
  2. Step 2: Convert to fraction form
    398,287.16/597,547.38 = 117,811.88/x
  3. Step 3: Cross multiply
    398,287.16x = 597,547.38 × 117,811.88
  4. Step 4: Simplify right side
    398,287.16x = 70,398,180,226.87
  5. Step 5: Solve for x
    x = 70,398,180,226.87/398,287.16
  6. Step 6: Final answer
    x = 176,752.32

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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.