Home / 395,784.13-546,209.43-240,795.90

Finding the Fourth Proportional to 395,784.13, 546,209.43 and 240,795.90

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Solution

The fourth proportional to 395,784.13, 546,209.43 and 240,795.90 is: 332,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,784.13 : 546,209.43 = 240,795.90 : x
  2. Step 2: Convert to fraction form
    395,784.13/546,209.43 = 240,795.90/x
  3. Step 3: Cross multiply
    395,784.13x = 546,209.43 × 240,795.90
  4. Step 4: Simplify right side
    395,784.13x = 131,524,991,285.34
  5. Step 5: Solve for x
    x = 131,524,991,285.34/395,784.13
  6. Step 6: Final answer
    x = 332,314.97

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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.