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Finding the Fourth Proportional to 490,501.44, 735,938.96 and 170,688.84

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Solution

The fourth proportional to 490,501.44, 735,938.96 and 170,688.84 is: 256,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,501.44 : 735,938.96 = 170,688.84 : x
  2. Step 2: Convert to fraction form
    490,501.44/735,938.96 = 170,688.84/x
  3. Step 3: Cross multiply
    490,501.44x = 735,938.96 × 170,688.84
  4. Step 4: Simplify right side
    490,501.44x = 125,616,567,393.21
  5. Step 5: Solve for x
    x = 125,616,567,393.21/490,501.44
  6. Step 6: Final answer
    x = 256,098.26

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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.