Home / 325,625.20-488,510.70-125,927.80

Finding the Fourth Proportional to 325,625.20, 488,510.70 and 125,927.80

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Solution

The fourth proportional to 325,625.20, 488,510.70 and 125,927.80 is: 188,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,625.20 : 488,510.70 = 125,927.80 : x
  2. Step 2: Convert to fraction form
    325,625.20/488,510.70 = 125,927.80/x
  3. Step 3: Cross multiply
    325,625.20x = 488,510.70 × 125,927.80
  4. Step 4: Simplify right side
    325,625.20x = 61,517,077,727.46
  5. Step 5: Solve for x
    x = 61,517,077,727.46/325,625.20
  6. Step 6: Final answer
    x = 188,919.89

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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.