Home / 347,814.40-521,721.60-161,190.40

Finding the Fourth Proportional to 347,814.40, 521,721.60 and 161,190.40

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Solution

The fourth proportional to 347,814.40, 521,721.60 and 161,190.40 is: 241,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,814.40 : 521,721.60 = 161,190.40 : x
  2. Step 2: Convert to fraction form
    347,814.40/521,721.60 = 161,190.40/x
  3. Step 3: Cross multiply
    347,814.40x = 521,721.60 × 161,190.40
  4. Step 4: Simplify right side
    347,814.40x = 84,096,513,392.64
  5. Step 5: Solve for x
    x = 84,096,513,392.64/347,814.40
  6. Step 6: Final answer
    x = 241,785.60

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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.