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Finding the Fourth Proportional to 492,007.60, 738,011.40 and 176,350.60

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Solution

The fourth proportional to 492,007.60, 738,011.40 and 176,350.60 is: 264,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,007.60 : 738,011.40 = 176,350.60 : x
  2. Step 2: Convert to fraction form
    492,007.60/738,011.40 = 176,350.60/x
  3. Step 3: Cross multiply
    492,007.60x = 738,011.40 × 176,350.60
  4. Step 4: Simplify right side
    492,007.60x = 130,148,753,196.84
  5. Step 5: Solve for x
    x = 130,148,753,196.84/492,007.60
  6. Step 6: Final answer
    x = 264,525.90

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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.