Home / 331,020.56-456,806.28-180,118.16

Finding the Fourth Proportional to 331,020.56, 456,806.28 and 180,118.16

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Solution

The fourth proportional to 331,020.56, 456,806.28 and 180,118.16 is: 248,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,020.56 : 456,806.28 = 180,118.16 : x
  2. Step 2: Convert to fraction form
    331,020.56/456,806.28 = 180,118.16/x
  3. Step 3: Cross multiply
    331,020.56x = 456,806.28 × 180,118.16
  4. Step 4: Simplify right side
    331,020.56x = 82,279,106,630.04
  5. Step 5: Solve for x
    x = 82,279,106,630.04/331,020.56
  6. Step 6: Final answer
    x = 248,561.92

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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.