Home / 288,035.04-397,510.80-160,729.76

Finding the Fourth Proportional to 288,035.04, 397,510.80 and 160,729.76

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Solution

The fourth proportional to 288,035.04, 397,510.80 and 160,729.76 is: 221,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,035.04 : 397,510.80 = 160,729.76 : x
  2. Step 2: Convert to fraction form
    288,035.04/397,510.80 = 160,729.76/x
  3. Step 3: Cross multiply
    288,035.04x = 397,510.80 × 160,729.76
  4. Step 4: Simplify right side
    288,035.04x = 63,891,815,481.41
  5. Step 5: Solve for x
    x = 63,891,815,481.41/288,035.04
  6. Step 6: Final answer
    x = 221,819.59

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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.