Home / 288,027.90-397,470.24-160,700.76

Finding the Fourth Proportional to 288,027.90, 397,470.24 and 160,700.76

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Solution

The fourth proportional to 288,027.90, 397,470.24 and 160,700.76 is: 221,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,027.90 : 397,470.24 = 160,700.76 : x
  2. Step 2: Convert to fraction form
    288,027.90/397,470.24 = 160,700.76/x
  3. Step 3: Cross multiply
    288,027.90x = 397,470.24 × 160,700.76
  4. Step 4: Simplify right side
    288,027.90x = 63,873,769,645.38
  5. Step 5: Solve for x
    x = 63,873,769,645.38/288,027.90
  6. Step 6: Final answer
    x = 221,762.44

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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.