Home / 314,902.45-472,517.70-137,427.40

Finding the Fourth Proportional to 314,902.45, 472,517.70 and 137,427.40

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Solution

The fourth proportional to 314,902.45, 472,517.70 and 137,427.40 is: 206,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,902.45 : 472,517.70 = 137,427.40 : x
  2. Step 2: Convert to fraction form
    314,902.45/472,517.70 = 137,427.40/x
  3. Step 3: Cross multiply
    314,902.45x = 472,517.70 × 137,427.40
  4. Step 4: Simplify right side
    314,902.45x = 64,936,878,964.98
  5. Step 5: Solve for x
    x = 64,936,878,964.98/314,902.45
  6. Step 6: Final answer
    x = 206,212.68

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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.