Home / 547,490.68-821,112.18-173,309.56

Finding the Fourth Proportional to 547,490.68, 821,112.18 and 173,309.56

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Solution

The fourth proportional to 547,490.68, 821,112.18 and 173,309.56 is: 259,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,490.68 : 821,112.18 = 173,309.56 : x
  2. Step 2: Convert to fraction form
    547,490.68/821,112.18 = 173,309.56/x
  3. Step 3: Cross multiply
    547,490.68x = 821,112.18 × 173,309.56
  4. Step 4: Simplify right side
    547,490.68x = 142,306,590,626.44
  5. Step 5: Solve for x
    x = 142,306,590,626.44/547,490.68
  6. Step 6: Final answer
    x = 259,925.14

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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.