Home / 320,436.32-480,943.38-170,801.24

Finding the Fourth Proportional to 320,436.32, 480,943.38 and 170,801.24

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Solution

The fourth proportional to 320,436.32, 480,943.38 and 170,801.24 is: 256,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436.32 : 480,943.38 = 170,801.24 : x
  2. Step 2: Convert to fraction form
    320,436.32/480,943.38 = 170,801.24/x
  3. Step 3: Cross multiply
    320,436.32x = 480,943.38 × 170,801.24
  4. Step 4: Simplify right side
    320,436.32x = 82,145,725,673.79
  5. Step 5: Solve for x
    x = 82,145,725,673.79/320,436.32
  6. Step 6: Final answer
    x = 256,355.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.