Home / 479,947.40-719,921.10-164,363.30

Finding the Fourth Proportional to 479,947.40, 719,921.10 and 164,363.30

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Solution

The fourth proportional to 479,947.40, 719,921.10 and 164,363.30 is: 246,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,947.40 : 719,921.10 = 164,363.30 : x
  2. Step 2: Convert to fraction form
    479,947.40/719,921.10 = 164,363.30/x
  3. Step 3: Cross multiply
    479,947.40x = 719,921.10 × 164,363.30
  4. Step 4: Simplify right side
    479,947.40x = 118,328,607,735.63
  5. Step 5: Solve for x
    x = 118,328,607,735.63/479,947.40
  6. Step 6: Final answer
    x = 246,544.95

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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.