Home / 347,287.30-520,951.10-134,056.22

Finding the Fourth Proportional to 347,287.30, 520,951.10 and 134,056.22

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Solution

The fourth proportional to 347,287.30, 520,951.10 and 134,056.22 is: 201,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,287.30 : 520,951.10 = 134,056.22 : x
  2. Step 2: Convert to fraction form
    347,287.30/520,951.10 = 134,056.22/x
  3. Step 3: Cross multiply
    347,287.30x = 520,951.10 × 134,056.22
  4. Step 4: Simplify right side
    347,287.30x = 69,836,731,995.81
  5. Step 5: Solve for x
    x = 69,836,731,995.81/347,287.30
  6. Step 6: Final answer
    x = 201,092.10

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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.