Home / 542,623.72-813,923.22-143,292.52

Finding the Fourth Proportional to 542,623.72, 813,923.22 and 143,292.52

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Solution

The fourth proportional to 542,623.72, 813,923.22 and 143,292.52 is: 214,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,623.72 : 813,923.22 = 143,292.52 : x
  2. Step 2: Convert to fraction form
    542,623.72/813,923.22 = 143,292.52/x
  3. Step 3: Cross multiply
    542,623.72x = 813,923.22 × 143,292.52
  4. Step 4: Simplify right side
    542,623.72x = 116,629,109,280.31
  5. Step 5: Solve for x
    x = 116,629,109,280.31/542,623.72
  6. Step 6: Final answer
    x = 214,935.52

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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.