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Finding the Fourth Proportional to 180,407.76, 248,798.23 and 154,906.14

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Solution

The fourth proportional to 180,407.76, 248,798.23 and 154,906.14 is: 213,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,407.76 : 248,798.23 = 154,906.14 : x
  2. Step 2: Convert to fraction form
    180,407.76/248,798.23 = 154,906.14/x
  3. Step 3: Cross multiply
    180,407.76x = 248,798.23 × 154,906.14
  4. Step 4: Simplify right side
    180,407.76x = 38,540,373,448.13
  5. Step 5: Solve for x
    x = 38,540,373,448.13/180,407.76
  6. Step 6: Final answer
    x = 213,629.24

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1.5x scale

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.