Home / 288,111.60-397,616.04-159,074.96

Finding the Fourth Proportional to 288,111.60, 397,616.04 and 159,074.96

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Solution

The fourth proportional to 288,111.60, 397,616.04 and 159,074.96 is: 219,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,111.60 : 397,616.04 = 159,074.96 : x
  2. Step 2: Convert to fraction form
    288,111.60/397,616.04 = 159,074.96/x
  3. Step 3: Cross multiply
    288,111.60x = 397,616.04 × 159,074.96
  4. Step 4: Simplify right side
    288,111.60x = 63,250,753,670.28
  5. Step 5: Solve for x
    x = 63,250,753,670.28/288,111.60
  6. Step 6: Final answer
    x = 219,535.60

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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.