Home / 497,988.36-746,868.78-142,999.56

Finding the Fourth Proportional to 497,988.36, 746,868.78 and 142,999.56

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Solution

The fourth proportional to 497,988.36, 746,868.78 and 142,999.56 is: 214,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,988.36 : 746,868.78 = 142,999.56 : x
  2. Step 2: Convert to fraction form
    497,988.36/746,868.78 = 142,999.56/x
  3. Step 3: Cross multiply
    497,988.36x = 746,868.78 × 142,999.56
  4. Step 4: Simplify right side
    497,988.36x = 106,801,906,917.74
  5. Step 5: Solve for x
    x = 106,801,906,917.74/497,988.36
  6. Step 6: Final answer
    x = 214,466.67

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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.