Home / 288,085.32-397,557.48-160,761.60

Finding the Fourth Proportional to 288,085.32, 397,557.48 and 160,761.60

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Solution

The fourth proportional to 288,085.32, 397,557.48 and 160,761.60 is: 221,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,085.32 : 397,557.48 = 160,761.60 : x
  2. Step 2: Convert to fraction form
    288,085.32/397,557.48 = 160,761.60/x
  3. Step 3: Cross multiply
    288,085.32x = 397,557.48 × 160,761.60
  4. Step 4: Simplify right side
    288,085.32x = 63,911,976,576.77
  5. Step 5: Solve for x
    x = 63,911,976,576.77/288,085.32
  6. Step 6: Final answer
    x = 221,850.86

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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.