Home / 362,140.61-499,777.92-209,185.25

Finding the Fourth Proportional to 362,140.61, 499,777.92 and 209,185.25

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Solution

The fourth proportional to 362,140.61, 499,777.92 and 209,185.25 is: 288,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.61 : 499,777.92 = 209,185.25 : x
  2. Step 2: Convert to fraction form
    362,140.61/499,777.92 = 209,185.25/x
  3. Step 3: Cross multiply
    362,140.61x = 499,777.92 × 209,185.25
  4. Step 4: Simplify right side
    362,140.61x = 104,546,166,640.79
  5. Step 5: Solve for x
    x = 104,546,166,640.79/362,140.61
  6. Step 6: Final answer
    x = 288,689.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.