Home / 322,515.12-484,146.40-173,047.34

Finding the Fourth Proportional to 322,515.12, 484,146.40 and 173,047.34

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Solution

The fourth proportional to 322,515.12, 484,146.40 and 173,047.34 is: 259,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,515.12 : 484,146.40 = 173,047.34 : x
  2. Step 2: Convert to fraction form
    322,515.12/484,146.40 = 173,047.34/x
  3. Step 3: Cross multiply
    322,515.12x = 484,146.40 × 173,047.34
  4. Step 4: Simplify right side
    322,515.12x = 83,780,248,041.95
  5. Step 5: Solve for x
    x = 83,780,248,041.95/322,515.12
  6. Step 6: Final answer
    x = 259,771.53

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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.