Home / 458,976.16-688,733.70-192,716.20

Finding the Fourth Proportional to 458,976.16, 688,733.70 and 192,716.20

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Solution

The fourth proportional to 458,976.16, 688,733.70 and 192,716.20 is: 289,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,976.16 : 688,733.70 = 192,716.20 : x
  2. Step 2: Convert to fraction form
    458,976.16/688,733.70 = 192,716.20/x
  3. Step 3: Cross multiply
    458,976.16x = 688,733.70 × 192,716.20
  4. Step 4: Simplify right side
    458,976.16x = 132,730,141,475.94
  5. Step 5: Solve for x
    x = 132,730,141,475.94/458,976.16
  6. Step 6: Final answer
    x = 289,187.44

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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.