Home / 347,747.40-521,621.10-161,123.40

Finding the Fourth Proportional to 347,747.40, 521,621.10 and 161,123.40

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Solution

The fourth proportional to 347,747.40, 521,621.10 and 161,123.40 is: 241,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,747.40 : 521,621.10 = 161,123.40 : x
  2. Step 2: Convert to fraction form
    347,747.40/521,621.10 = 161,123.40/x
  3. Step 3: Cross multiply
    347,747.40x = 521,621.10 × 161,123.40
  4. Step 4: Simplify right side
    347,747.40x = 84,045,365,143.74
  5. Step 5: Solve for x
    x = 84,045,365,143.74/347,747.40
  6. Step 6: Final answer
    x = 241,685.10

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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.