Home / 288,400.08-397,987.96-161,077.52

Finding the Fourth Proportional to 288,400.08, 397,987.96 and 161,077.52

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Solution

The fourth proportional to 288,400.08, 397,987.96 and 161,077.52 is: 222,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,400.08 : 397,987.96 = 161,077.52 : x
  2. Step 2: Convert to fraction form
    288,400.08/397,987.96 = 161,077.52/x
  3. Step 3: Cross multiply
    288,400.08x = 397,987.96 × 161,077.52
  4. Step 4: Simplify right side
    288,400.08x = 64,106,913,586.66
  5. Step 5: Solve for x
    x = 64,106,913,586.66/288,400.08
  6. Step 6: Final answer
    x = 222,284.66

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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.