Home / 320,801.32-442,700.46-177,558.29

Finding the Fourth Proportional to 320,801.32, 442,700.46 and 177,558.29

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Solution

The fourth proportional to 320,801.32, 442,700.46 and 177,558.29 is: 245,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,801.32 : 442,700.46 = 177,558.29 : x
  2. Step 2: Convert to fraction form
    320,801.32/442,700.46 = 177,558.29/x
  3. Step 3: Cross multiply
    320,801.32x = 442,700.46 × 177,558.29
  4. Step 4: Simplify right side
    320,801.32x = 78,605,134,446.31
  5. Step 5: Solve for x
    x = 78,605,134,446.31/320,801.32
  6. Step 6: Final answer
    x = 245,027.47

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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.