Home / 347,954.80-521,932.20-269,125.60

Finding the Fourth Proportional to 347,954.80, 521,932.20 and 269,125.60

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Solution

The fourth proportional to 347,954.80, 521,932.20 and 269,125.60 is: 403,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,954.80 : 521,932.20 = 269,125.60 : x
  2. Step 2: Convert to fraction form
    347,954.80/521,932.20 = 269,125.60/x
  3. Step 3: Cross multiply
    347,954.80x = 521,932.20 × 269,125.60
  4. Step 4: Simplify right side
    347,954.80x = 140,465,316,484.32
  5. Step 5: Solve for x
    x = 140,465,316,484.32/347,954.80
  6. Step 6: Final answer
    x = 403,688.40

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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.