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Finding the Fourth Proportional to 364,234.70, 546,352.05 and 361,901.90

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Solution

The fourth proportional to 364,234.70, 546,352.05 and 361,901.90 is: 542,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,234.70 : 546,352.05 = 361,901.90 : x
  2. Step 2: Convert to fraction form
    364,234.70/546,352.05 = 361,901.90/x
  3. Step 3: Cross multiply
    364,234.70x = 546,352.05 × 361,901.90
  4. Step 4: Simplify right side
    364,234.70x = 197,725,844,963.90
  5. Step 5: Solve for x
    x = 197,725,844,963.90/364,234.70
  6. Step 6: Final answer
    x = 542,852.85

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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.