Home / 272,549.86-408,824.91-122,615.06

Finding the Fourth Proportional to 272,549.86, 408,824.91 and 122,615.06

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Solution

The fourth proportional to 272,549.86, 408,824.91 and 122,615.06 is: 183,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,549.86 : 408,824.91 = 122,615.06 : x
  2. Step 2: Convert to fraction form
    272,549.86/408,824.91 = 122,615.06/x
  3. Step 3: Cross multiply
    272,549.86x = 408,824.91 × 122,615.06
  4. Step 4: Simplify right side
    272,549.86x = 50,128,090,869.14
  5. Step 5: Solve for x
    x = 50,128,090,869.14/272,549.86
  6. Step 6: Final answer
    x = 183,922.64

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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.