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Finding the Fourth Proportional to 395,850.96, 546,347.46 and 226,085.10

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Solution

The fourth proportional to 395,850.96, 546,347.46 and 226,085.10 is: 312,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,850.96 : 546,347.46 = 226,085.10 : x
  2. Step 2: Convert to fraction form
    395,850.96/546,347.46 = 226,085.10/x
  3. Step 3: Cross multiply
    395,850.96x = 546,347.46 × 226,085.10
  4. Step 4: Simplify right side
    395,850.96x = 123,521,020,128.85
  5. Step 5: Solve for x
    x = 123,521,020,128.85/395,850.96
  6. Step 6: Final answer
    x = 312,039.21

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1.5x scale

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.