Home / 347,930.47-521,009.74-229,241.98

Finding the Fourth Proportional to 347,930.47, 521,009.74 and 229,241.98

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Solution

The fourth proportional to 347,930.47, 521,009.74 and 229,241.98 is: 343,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,930.47 : 521,009.74 = 229,241.98 : x
  2. Step 2: Convert to fraction form
    347,930.47/521,009.74 = 229,241.98/x
  3. Step 3: Cross multiply
    347,930.47x = 521,009.74 × 229,241.98
  4. Step 4: Simplify right side
    347,930.47x = 119,437,306,272.52
  5. Step 5: Solve for x
    x = 119,437,306,272.52/347,930.47
  6. Step 6: Final answer
    x = 343,279.23

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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.