Home / 288,267.20-397,778.55-167,384.92

Finding the Fourth Proportional to 288,267.20, 397,778.55 and 167,384.92

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Solution

The fourth proportional to 288,267.20, 397,778.55 and 167,384.92 is: 230,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,267.20 : 397,778.55 = 167,384.92 : x
  2. Step 2: Convert to fraction form
    288,267.20/397,778.55 = 167,384.92/x
  3. Step 3: Cross multiply
    288,267.20x = 397,778.55 × 167,384.92
  4. Step 4: Simplify right side
    288,267.20x = 66,582,128,780.57
  5. Step 5: Solve for x
    x = 66,582,128,780.57/288,267.20
  6. Step 6: Final answer
    x = 230,973.66

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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.