Home / 204,810.40-307,215.60-141,824.80

Finding the Fourth Proportional to 204,810.40, 307,215.60 and 141,824.80

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Solution

The fourth proportional to 204,810.40, 307,215.60 and 141,824.80 is: 212,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,810.40 : 307,215.60 = 141,824.80 : x
  2. Step 2: Convert to fraction form
    204,810.40/307,215.60 = 141,824.80/x
  3. Step 3: Cross multiply
    204,810.40x = 307,215.60 × 141,824.80
  4. Step 4: Simplify right side
    204,810.40x = 43,570,791,026.88
  5. Step 5: Solve for x
    x = 43,570,791,026.88/204,810.40
  6. Step 6: Final answer
    x = 212,737.20

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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.