Home / 347,829.50-521,660.27-145,316.18

Finding the Fourth Proportional to 347,829.50, 521,660.27 and 145,316.18

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Solution

The fourth proportional to 347,829.50, 521,660.27 and 145,316.18 is: 217,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,829.50 : 521,660.27 = 145,316.18 : x
  2. Step 2: Convert to fraction form
    347,829.50/521,660.27 = 145,316.18/x
  3. Step 3: Cross multiply
    347,829.50x = 521,660.27 × 145,316.18
  4. Step 4: Simplify right side
    347,829.50x = 75,805,674,359.29
  5. Step 5: Solve for x
    x = 75,805,674,359.29/347,829.50
  6. Step 6: Final answer
    x = 217,939.18

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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.