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Finding the Fourth Proportional to 490,355.84, 735,651.84 and 170,461.28

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Solution

The fourth proportional to 490,355.84, 735,651.84 and 170,461.28 is: 255,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,355.84 : 735,651.84 = 170,461.28 : x
  2. Step 2: Convert to fraction form
    490,355.84/735,651.84 = 170,461.28/x
  3. Step 3: Cross multiply
    490,355.84x = 735,651.84 × 170,461.28
  4. Step 4: Simplify right side
    490,355.84x = 125,400,154,280.76
  5. Step 5: Solve for x
    x = 125,400,154,280.76/490,355.84
  6. Step 6: Final answer
    x = 255,732.97

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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.