Home / 296,213.76-408,785.28-162,090.24

Finding the Fourth Proportional to 296,213.76, 408,785.28 and 162,090.24

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Solution

The fourth proportional to 296,213.76, 408,785.28 and 162,090.24 is: 223,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,213.76 : 408,785.28 = 162,090.24 : x
  2. Step 2: Convert to fraction form
    296,213.76/408,785.28 = 162,090.24/x
  3. Step 3: Cross multiply
    296,213.76x = 408,785.28 × 162,090.24
  4. Step 4: Simplify right side
    296,213.76x = 66,260,104,143.67
  5. Step 5: Solve for x
    x = 66,260,104,143.67/296,213.76
  6. Step 6: Final answer
    x = 223,690.16

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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.