Home / 288,832.22-398,557.78-159,750.19

Finding the Fourth Proportional to 288,832.22, 398,557.78 and 159,750.19

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Solution

The fourth proportional to 288,832.22, 398,557.78 and 159,750.19 is: 220,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,832.22 : 398,557.78 = 159,750.19 : x
  2. Step 2: Convert to fraction form
    288,832.22/398,557.78 = 159,750.19/x
  3. Step 3: Cross multiply
    288,832.22x = 398,557.78 × 159,750.19
  4. Step 4: Simplify right side
    288,832.22x = 63,669,679,685.21
  5. Step 5: Solve for x
    x = 63,669,679,685.21/288,832.22
  6. Step 6: Final answer
    x = 220,438.29

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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.