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Finding the Fourth Proportional to 364,605.48, 546,120.89 and 355,682.52

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Solution

The fourth proportional to 364,605.48, 546,120.89 and 355,682.52 is: 532,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,605.48 : 546,120.89 = 355,682.52 : x
  2. Step 2: Convert to fraction form
    364,605.48/546,120.89 = 355,682.52/x
  3. Step 3: Cross multiply
    364,605.48x = 546,120.89 × 355,682.52
  4. Step 4: Simplify right side
    364,605.48x = 194,245,654,379.84
  5. Step 5: Solve for x
    x = 194,245,654,379.84/364,605.48
  6. Step 6: Final answer
    x = 532,755.72

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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.