Home / 324,114.06-486,223.05-137,127.18

Finding the Fourth Proportional to 324,114.06, 486,223.05 and 137,127.18

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Solution

The fourth proportional to 324,114.06, 486,223.05 and 137,127.18 is: 205,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,114.06 : 486,223.05 = 137,127.18 : x
  2. Step 2: Convert to fraction form
    324,114.06/486,223.05 = 137,127.18/x
  3. Step 3: Cross multiply
    324,114.06x = 486,223.05 × 137,127.18
  4. Step 4: Simplify right side
    324,114.06x = 66,674,395,697.50
  5. Step 5: Solve for x
    x = 66,674,395,697.50/324,114.06
  6. Step 6: Final answer
    x = 205,712.75

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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.