Home / 217,401.50-299,862.30-210,086

Finding the Fourth Proportional to 217,401.50, 299,862.30 and 210,086

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Solution

The fourth proportional to 217,401.50, 299,862.30 and 210,086 is: 289,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401.50 : 299,862.30 = 210,086 : x
  2. Step 2: Convert to fraction form
    217,401.50/299,862.30 = 210,086/x
  3. Step 3: Cross multiply
    217,401.50x = 299,862.30 × 210,086
  4. Step 4: Simplify right side
    217,401.50x = 62,996,871,157.80
  5. Step 5: Solve for x
    x = 62,996,871,157.80/217,401.50
  6. Step 6: Final answer
    x = 289,772.02

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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.