Home / 659,536.28-989,376.18-210,151.52

Finding the Fourth Proportional to 659,536.28, 989,376.18 and 210,151.52

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Solution

The fourth proportional to 659,536.28, 989,376.18 and 210,151.52 is: 315,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,536.28 : 989,376.18 = 210,151.52 : x
  2. Step 2: Convert to fraction form
    659,536.28/989,376.18 = 210,151.52/x
  3. Step 3: Cross multiply
    659,536.28x = 989,376.18 × 210,151.52
  4. Step 4: Simplify right side
    659,536.28x = 207,918,908,078.79
  5. Step 5: Solve for x
    x = 207,918,908,078.79/659,536.28
  6. Step 6: Final answer
    x = 315,250.15

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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.