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Finding the Fourth Proportional to 294,059.20, 440,829.60 and 175,604.80

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Solution

The fourth proportional to 294,059.20, 440,829.60 and 175,604.80 is: 263,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,059.20 : 440,829.60 = 175,604.80 : x
  2. Step 2: Convert to fraction form
    294,059.20/440,829.60 = 175,604.80/x
  3. Step 3: Cross multiply
    294,059.20x = 440,829.60 × 175,604.80
  4. Step 4: Simplify right side
    294,059.20x = 77,411,793,742.08
  5. Step 5: Solve for x
    x = 77,411,793,742.08/294,059.20
  6. Step 6: Final answer
    x = 263,252.41

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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.