Home / 288,076.12-397,545.07-159,014.63

Finding the Fourth Proportional to 288,076.12, 397,545.07 and 159,014.63

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Solution

The fourth proportional to 288,076.12, 397,545.07 and 159,014.63 is: 219,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,076.12 : 397,545.07 = 159,014.63 : x
  2. Step 2: Convert to fraction form
    288,076.12/397,545.07 = 159,014.63/x
  3. Step 3: Cross multiply
    288,076.12x = 397,545.07 × 159,014.63
  4. Step 4: Simplify right side
    288,076.12x = 63,215,480,226.65
  5. Step 5: Solve for x
    x = 63,215,480,226.65/288,076.12
  6. Step 6: Final answer
    x = 219,440.20

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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.