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Finding the Fourth Proportional to 546,879.08, 754,691.64 and 305,159

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Solution

The fourth proportional to 546,879.08, 754,691.64 and 305,159 is: 421,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,879.08 : 754,691.64 = 305,159 : x
  2. Step 2: Convert to fraction form
    546,879.08/754,691.64 = 305,159/x
  3. Step 3: Cross multiply
    546,879.08x = 754,691.64 × 305,159
  4. Step 4: Simplify right side
    546,879.08x = 230,300,946,170.76
  5. Step 5: Solve for x
    x = 230,300,946,170.76/546,879.08
  6. Step 6: Final answer
    x = 421,118.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.