Home / 331,296.16-457,199.76-180,407.20

Finding the Fourth Proportional to 331,296.16, 457,199.76 and 180,407.20

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Solution

The fourth proportional to 331,296.16, 457,199.76 and 180,407.20 is: 248,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,296.16 : 457,199.76 = 180,407.20 : x
  2. Step 2: Convert to fraction form
    331,296.16/457,199.76 = 180,407.20/x
  3. Step 3: Cross multiply
    331,296.16x = 457,199.76 × 180,407.20
  4. Step 4: Simplify right side
    331,296.16x = 82,482,128,542.27
  5. Step 5: Solve for x
    x = 82,482,128,542.27/331,296.16
  6. Step 6: Final answer
    x = 248,967.96

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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.