Home / 421,815.98-582,087.38-230,837.42

Finding the Fourth Proportional to 421,815.98, 582,087.38 and 230,837.42

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Solution

The fourth proportional to 421,815.98, 582,087.38 and 230,837.42 is: 318,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,815.98 : 582,087.38 = 230,837.42 : x
  2. Step 2: Convert to fraction form
    421,815.98/582,087.38 = 230,837.42/x
  3. Step 3: Cross multiply
    421,815.98x = 582,087.38 × 230,837.42
  4. Step 4: Simplify right side
    421,815.98x = 134,367,549,013.76
  5. Step 5: Solve for x
    x = 134,367,549,013.76/421,815.98
  6. Step 6: Final answer
    x = 318,545.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.