Home / 528,082.20-792,116.10-173,107.80

Finding the Fourth Proportional to 528,082.20, 792,116.10 and 173,107.80

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Solution

The fourth proportional to 528,082.20, 792,116.10 and 173,107.80 is: 259,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,082.20 : 792,116.10 = 173,107.80 : x
  2. Step 2: Convert to fraction form
    528,082.20/792,116.10 = 173,107.80/x
  3. Step 3: Cross multiply
    528,082.20x = 792,116.10 × 173,107.80
  4. Step 4: Simplify right side
    528,082.20x = 137,121,475,415.58
  5. Step 5: Solve for x
    x = 137,121,475,415.58/528,082.20
  6. Step 6: Final answer
    x = 259,659.34

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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.