Home / 320,852.32-481,277.16-80,966.76

Finding the Fourth Proportional to 320,852.32, 481,277.16 and 80,966.76

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Solution

The fourth proportional to 320,852.32, 481,277.16 and 80,966.76 is: 121,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,852.32 : 481,277.16 = 80,966.76 : x
  2. Step 2: Convert to fraction form
    320,852.32/481,277.16 = 80,966.76/x
  3. Step 3: Cross multiply
    320,852.32x = 481,277.16 × 80,966.76
  4. Step 4: Simplify right side
    320,852.32x = 38,967,452,307.20
  5. Step 5: Solve for x
    x = 38,967,452,307.20/320,852.32
  6. Step 6: Final answer
    x = 121,449.81

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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.