Home / 288,033.10-397,477.42-160,705.96

Finding the Fourth Proportional to 288,033.10, 397,477.42 and 160,705.96

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Solution

The fourth proportional to 288,033.10, 397,477.42 and 160,705.96 is: 221,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,033.10 : 397,477.42 = 160,705.96 : x
  2. Step 2: Convert to fraction form
    288,033.10/397,477.42 = 160,705.96/x
  3. Step 3: Cross multiply
    288,033.10x = 397,477.42 × 160,705.96
  4. Step 4: Simplify right side
    288,033.10x = 63,876,988,963.96
  5. Step 5: Solve for x
    x = 63,876,988,963.96/288,033.10
  6. Step 6: Final answer
    x = 221,769.61

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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.