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Finding the Fourth Proportional to 492,190.12, 738,154.14 and 176,599.72

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Solution

The fourth proportional to 492,190.12, 738,154.14 and 176,599.72 is: 264,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,190.12 : 738,154.14 = 176,599.72 : x
  2. Step 2: Convert to fraction form
    492,190.12/738,154.14 = 176,599.72/x
  3. Step 3: Cross multiply
    492,190.12x = 738,154.14 × 176,599.72
  4. Step 4: Simplify right side
    492,190.12x = 130,357,814,440.84
  5. Step 5: Solve for x
    x = 130,357,814,440.84/492,190.12
  6. Step 6: Final answer
    x = 264,852.56

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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.