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Finding the Fourth Proportional to 648,251.70, 972,377.55 and 174,936.30

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Solution

The fourth proportional to 648,251.70, 972,377.55 and 174,936.30 is: 262,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,251.70 : 972,377.55 = 174,936.30 : x
  2. Step 2: Convert to fraction form
    648,251.70/972,377.55 = 174,936.30/x
  3. Step 3: Cross multiply
    648,251.70x = 972,377.55 × 174,936.30
  4. Step 4: Simplify right side
    648,251.70x = 170,104,130,800.07
  5. Step 5: Solve for x
    x = 170,104,130,800.07/648,251.70
  6. Step 6: Final answer
    x = 262,404.45

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Similar ratio
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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.