Home / 340,828.60-511,238.10-153,839.80

Finding the Fourth Proportional to 340,828.60, 511,238.10 and 153,839.80

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Solution

The fourth proportional to 340,828.60, 511,238.10 and 153,839.80 is: 230,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,828.60 : 511,238.10 = 153,839.80 : x
  2. Step 2: Convert to fraction form
    340,828.60/511,238.10 = 153,839.80/x
  3. Step 3: Cross multiply
    340,828.60x = 511,238.10 × 153,839.80
  4. Step 4: Simplify right side
    340,828.60x = 78,648,767,056.38
  5. Step 5: Solve for x
    x = 78,648,767,056.38/340,828.60
  6. Step 6: Final answer
    x = 230,757.53

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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.