Home / 288,582.28-398,036.90-202,560.52

Finding the Fourth Proportional to 288,582.28, 398,036.90 and 202,560.52

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Solution

The fourth proportional to 288,582.28, 398,036.90 and 202,560.52 is: 279,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,582.28 : 398,036.90 = 202,560.52 : x
  2. Step 2: Convert to fraction form
    288,582.28/398,036.90 = 202,560.52/x
  3. Step 3: Cross multiply
    288,582.28x = 398,036.90 × 202,560.52
  4. Step 4: Simplify right side
    288,582.28x = 80,626,561,443.19
  5. Step 5: Solve for x
    x = 80,626,561,443.19/288,582.28
  6. Step 6: Final answer
    x = 279,388.47

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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.