Home / 288,114.02-397,586.92-159,049.72

Finding the Fourth Proportional to 288,114.02, 397,586.92 and 159,049.72

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Solution

The fourth proportional to 288,114.02, 397,586.92 and 159,049.72 is: 219,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,114.02 : 397,586.92 = 159,049.72 : x
  2. Step 2: Convert to fraction form
    288,114.02/397,586.92 = 159,049.72/x
  3. Step 3: Cross multiply
    288,114.02x = 397,586.92 × 159,049.72
  4. Step 4: Simplify right side
    288,114.02x = 63,236,088,301.66
  5. Step 5: Solve for x
    x = 63,236,088,301.66/288,114.02
  6. Step 6: Final answer
    x = 219,482.86

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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.