Home / 331,383.35-457,309.02-180,480.35

Finding the Fourth Proportional to 331,383.35, 457,309.02 and 180,480.35

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Solution

The fourth proportional to 331,383.35, 457,309.02 and 180,480.35 is: 249,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,383.35 : 457,309.02 = 180,480.35 : x
  2. Step 2: Convert to fraction form
    331,383.35/457,309.02 = 180,480.35/x
  3. Step 3: Cross multiply
    331,383.35x = 457,309.02 × 180,480.35
  4. Step 4: Simplify right side
    331,383.35x = 82,535,291,987.76
  5. Step 5: Solve for x
    x = 82,535,291,987.76/331,383.35
  6. Step 6: Final answer
    x = 249,062.88

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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.