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Finding the Fourth Proportional to 363,013.10, 544,714.05 and 163,364.30

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Solution

The fourth proportional to 363,013.10, 544,714.05 and 163,364.30 is: 245,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,013.10 : 544,714.05 = 163,364.30 : x
  2. Step 2: Convert to fraction form
    363,013.10/544,714.05 = 163,364.30/x
  3. Step 3: Cross multiply
    363,013.10x = 544,714.05 × 163,364.30
  4. Step 4: Simplify right side
    363,013.10x = 88,986,829,478.42
  5. Step 5: Solve for x
    x = 88,986,829,478.42/363,013.10
  6. Step 6: Final answer
    x = 245,133.93

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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.