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Finding the Fourth Proportional to 479,146.43, 661,210.49 and 264,281.88

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Solution

The fourth proportional to 479,146.43, 661,210.49 and 264,281.88 is: 364,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,146.43 : 661,210.49 = 264,281.88 : x
  2. Step 2: Convert to fraction form
    479,146.43/661,210.49 = 264,281.88/x
  3. Step 3: Cross multiply
    479,146.43x = 661,210.49 × 264,281.88
  4. Step 4: Simplify right side
    479,146.43x = 174,745,954,513.17
  5. Step 5: Solve for x
    x = 174,745,954,513.17/479,146.43
  6. Step 6: Final answer
    x = 364,702.61

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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.