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Finding the Fourth Proportional to 542,223.83, 813,148.10 and 222,284.87

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Solution

The fourth proportional to 542,223.83, 813,148.10 and 222,284.87 is: 333,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,223.83 : 813,148.10 = 222,284.87 : x
  2. Step 2: Convert to fraction form
    542,223.83/813,148.10 = 222,284.87/x
  3. Step 3: Cross multiply
    542,223.83x = 813,148.10 × 222,284.87
  4. Step 4: Simplify right side
    542,223.83x = 180,750,517,205.65
  5. Step 5: Solve for x
    x = 180,750,517,205.65/542,223.83
  6. Step 6: Final answer
    x = 333,350.38

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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.