Home / 456,263.82-684,405.05-140,721.03

Finding the Fourth Proportional to 456,263.82, 684,405.05 and 140,721.03

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Solution

The fourth proportional to 456,263.82, 684,405.05 and 140,721.03 is: 211,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,263.82 : 684,405.05 = 140,721.03 : x
  2. Step 2: Convert to fraction form
    456,263.82/684,405.05 = 140,721.03/x
  3. Step 3: Cross multiply
    456,263.82x = 684,405.05 × 140,721.03
  4. Step 4: Simplify right side
    456,263.82x = 96,310,182,869.60
  5. Step 5: Solve for x
    x = 96,310,182,869.60/456,263.82
  6. Step 6: Final answer
    x = 211,084.42

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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.