Home / 236,851.21-354,640.17-180,422.50

Finding the Fourth Proportional to 236,851.21, 354,640.17 and 180,422.50

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Solution

The fourth proportional to 236,851.21, 354,640.17 and 180,422.50 is: 270,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,851.21 : 354,640.17 = 180,422.50 : x
  2. Step 2: Convert to fraction form
    236,851.21/354,640.17 = 180,422.50/x
  3. Step 3: Cross multiply
    236,851.21x = 354,640.17 × 180,422.50
  4. Step 4: Simplify right side
    236,851.21x = 63,985,066,071.83
  5. Step 5: Solve for x
    x = 63,985,066,071.83/236,851.21
  6. Step 6: Final answer
    x = 270,148.78

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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.