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Finding the Fourth Proportional to 364,270.40, 546,535.20 and 351,310.40

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Solution

The fourth proportional to 364,270.40, 546,535.20 and 351,310.40 is: 527,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,270.40 : 546,535.20 = 351,310.40 : x
  2. Step 2: Convert to fraction form
    364,270.40/546,535.20 = 351,310.40/x
  3. Step 3: Cross multiply
    364,270.40x = 546,535.20 × 351,310.40
  4. Step 4: Simplify right side
    364,270.40x = 192,003,499,726.08
  5. Step 5: Solve for x
    x = 192,003,499,726.08/364,270.40
  6. Step 6: Final answer
    x = 527,090.59

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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.