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Finding the Fourth Proportional to 230,594, 345,891 and 55,490

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Solution

The fourth proportional to 230,594, 345,891 and 55,490 is: 83,235

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,594 : 345,891 = 55,490 : x
  2. Step 2: Convert to fraction form
    230,594/345,891 = 55,490/x
  3. Step 3: Cross multiply
    230,594x = 345,891 × 55,490
  4. Step 4: Simplify right side
    230,594x = 19,193,491,590
  5. Step 5: Solve for x
    x = 19,193,491,590/230,594
  6. Step 6: Final answer
    x = 83,235

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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.