Home / 236,499.49-326,724.74-155,021.15

Finding the Fourth Proportional to 236,499.49, 326,724.74 and 155,021.15

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Solution

The fourth proportional to 236,499.49, 326,724.74 and 155,021.15 is: 214,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,499.49 : 326,724.74 = 155,021.15 : x
  2. Step 2: Convert to fraction form
    236,499.49/326,724.74 = 155,021.15/x
  3. Step 3: Cross multiply
    236,499.49x = 326,724.74 × 155,021.15
  4. Step 4: Simplify right side
    236,499.49x = 50,649,245,551.29
  5. Step 5: Solve for x
    x = 50,649,245,551.29/236,499.49
  6. Step 6: Final answer
    x = 214,162.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.