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Finding the Fourth Proportional to 364,348.80, 546,539.60 and 111,610.84

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Solution

The fourth proportional to 364,348.80, 546,539.60 and 111,610.84 is: 167,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,348.80 : 546,539.60 = 111,610.84 : x
  2. Step 2: Convert to fraction form
    364,348.80/546,539.60 = 111,610.84/x
  3. Step 3: Cross multiply
    364,348.80x = 546,539.60 × 111,610.84
  4. Step 4: Simplify right side
    364,348.80x = 60,999,743,849.26
  5. Step 5: Solve for x
    x = 60,999,743,849.26/364,348.80
  6. Step 6: Final answer
    x = 167,421.28

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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.