Home / 658,250.21-987,274.46-208,912.83

Finding the Fourth Proportional to 658,250.21, 987,274.46 and 208,912.83

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Solution

The fourth proportional to 658,250.21, 987,274.46 and 208,912.83 is: 313,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,250.21 : 987,274.46 = 208,912.83 : x
  2. Step 2: Convert to fraction form
    658,250.21/987,274.46 = 208,912.83/x
  3. Step 3: Cross multiply
    658,250.21x = 987,274.46 × 208,912.83
  4. Step 4: Simplify right side
    658,250.21x = 206,254,301,947.60
  5. Step 5: Solve for x
    x = 206,254,301,947.60/658,250.21
  6. Step 6: Final answer
    x = 313,337.24

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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.