Home / 659,395.28-989,082.02-210,110.05

Finding the Fourth Proportional to 659,395.28, 989,082.02 and 210,110.05

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Solution

The fourth proportional to 659,395.28, 989,082.02 and 210,110.05 is: 315,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,395.28 : 989,082.02 = 210,110.05 : x
  2. Step 2: Convert to fraction form
    659,395.28/989,082.02 = 210,110.05/x
  3. Step 3: Cross multiply
    659,395.28x = 989,082.02 × 210,110.05
  4. Step 4: Simplify right side
    659,395.28x = 207,816,074,437.93
  5. Step 5: Solve for x
    x = 207,816,074,437.93/659,395.28
  6. Step 6: Final answer
    x = 315,161.60

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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.