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Finding the Fourth Proportional to 491,179.40, 736,941.90 and 241,694.60

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Solution

The fourth proportional to 491,179.40, 736,941.90 and 241,694.60 is: 362,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,179.40 : 736,941.90 = 241,694.60 : x
  2. Step 2: Convert to fraction form
    491,179.40/736,941.90 = 241,694.60/x
  3. Step 3: Cross multiply
    491,179.40x = 736,941.90 × 241,694.60
  4. Step 4: Simplify right side
    491,179.40x = 178,114,877,743.74
  5. Step 5: Solve for x
    x = 178,114,877,743.74/491,179.40
  6. Step 6: Final answer
    x = 362,626.93

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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.