Home / 288,142.74-397,637.46-160,818.30

Finding the Fourth Proportional to 288,142.74, 397,637.46 and 160,818.30

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Solution

The fourth proportional to 288,142.74, 397,637.46 and 160,818.30 is: 221,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,142.74 : 397,637.46 = 160,818.30 : x
  2. Step 2: Convert to fraction form
    288,142.74/397,637.46 = 160,818.30/x
  3. Step 3: Cross multiply
    288,142.74x = 397,637.46 × 160,818.30
  4. Step 4: Simplify right side
    288,142.74x = 63,947,380,333.52
  5. Step 5: Solve for x
    x = 63,947,380,333.52/288,142.74
  6. Step 6: Final answer
    x = 221,929.52

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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.