Home / 347,743.40-521,615.10-240,434.60

Finding the Fourth Proportional to 347,743.40, 521,615.10 and 240,434.60

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Solution

The fourth proportional to 347,743.40, 521,615.10 and 240,434.60 is: 360,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,743.40 : 521,615.10 = 240,434.60 : x
  2. Step 2: Convert to fraction form
    347,743.40/521,615.10 = 240,434.60/x
  3. Step 3: Cross multiply
    347,743.40x = 521,615.10 × 240,434.60
  4. Step 4: Simplify right side
    347,743.40x = 125,414,317,922.46
  5. Step 5: Solve for x
    x = 125,414,317,922.46/347,743.40
  6. Step 6: Final answer
    x = 360,651.90

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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.