Home / 345,718.94-476,922.53-231,025.74

Finding the Fourth Proportional to 345,718.94, 476,922.53 and 231,025.74

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Solution

The fourth proportional to 345,718.94, 476,922.53 and 231,025.74 is: 318,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,718.94 : 476,922.53 = 231,025.74 : x
  2. Step 2: Convert to fraction form
    345,718.94/476,922.53 = 231,025.74/x
  3. Step 3: Cross multiply
    345,718.94x = 476,922.53 × 231,025.74
  4. Step 4: Simplify right side
    345,718.94x = 110,181,379,260.79
  5. Step 5: Solve for x
    x = 110,181,379,260.79/345,718.94
  6. Step 6: Final answer
    x = 318,702.18

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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.