Home / 288,332.01-397,896.57-159,279.36

Finding the Fourth Proportional to 288,332.01, 397,896.57 and 159,279.36

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Solution

The fourth proportional to 288,332.01, 397,896.57 and 159,279.36 is: 219,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,332.01 : 397,896.57 = 159,279.36 : x
  2. Step 2: Convert to fraction form
    288,332.01/397,896.57 = 159,279.36/x
  3. Step 3: Cross multiply
    288,332.01x = 397,896.57 × 159,279.36
  4. Step 4: Simplify right side
    288,332.01x = 63,376,711,015.80
  5. Step 5: Solve for x
    x = 63,376,711,015.80/288,332.01
  6. Step 6: Final answer
    x = 219,804.63

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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.