Home / 762,759.84-1,144,146.63-194,141.55

Finding the Fourth Proportional to 762,759.84, 1,144,146.63 and 194,141.55

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Solution

The fourth proportional to 762,759.84, 1,144,146.63 and 194,141.55 is: 291,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,759.84 : 1,144,146.63 = 194,141.55 : x
  2. Step 2: Convert to fraction form
    762,759.84/1,144,146.63 = 194,141.55/x
  3. Step 3: Cross multiply
    762,759.84x = 1,144,146.63 × 194,141.55
  4. Step 4: Simplify right side
    762,759.84x = 222,126,400,175.48
  5. Step 5: Solve for x
    x = 222,126,400,175.48/762,759.84
  6. Step 6: Final answer
    x = 291,214.07

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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.