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Finding the Fourth Proportional to 149,894.40, 224,880.48 and 79,716

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Solution

The fourth proportional to 149,894.40, 224,880.48 and 79,716 is: 119,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,894.40 : 224,880.48 = 79,716 : x
  2. Step 2: Convert to fraction form
    149,894.40/224,880.48 = 79,716/x
  3. Step 3: Cross multiply
    149,894.40x = 224,880.48 × 79,716
  4. Step 4: Simplify right side
    149,894.40x = 17,926,572,343.68
  5. Step 5: Solve for x
    x = 17,926,572,343.68/149,894.40
  6. Step 6: Final answer
    x = 119,594.68

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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.