Home / 658,240.71-987,260.21-208,903.33

Finding the Fourth Proportional to 658,240.71, 987,260.21 and 208,903.33

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Solution

The fourth proportional to 658,240.71, 987,260.21 and 208,903.33 is: 313,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,240.71 : 987,260.21 = 208,903.33 : x
  2. Step 2: Convert to fraction form
    658,240.71/987,260.21 = 208,903.33/x
  3. Step 3: Cross multiply
    658,240.71x = 987,260.21 × 208,903.33
  4. Step 4: Simplify right side
    658,240.71x = 206,241,945,445.50
  5. Step 5: Solve for x
    x = 206,241,945,445.50/658,240.71
  6. Step 6: Final answer
    x = 313,322.99

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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.