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Finding the Fourth Proportional to 275,955.12, 380,831.63 and 168,507.81

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Solution

The fourth proportional to 275,955.12, 380,831.63 and 168,507.81 is: 232,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,955.12 : 380,831.63 = 168,507.81 : x
  2. Step 2: Convert to fraction form
    275,955.12/380,831.63 = 168,507.81/x
  3. Step 3: Cross multiply
    275,955.12x = 380,831.63 × 168,507.81
  4. Step 4: Simplify right side
    275,955.12x = 64,173,103,107.49
  5. Step 5: Solve for x
    x = 64,173,103,107.49/275,955.12
  6. Step 6: Final answer
    x = 232,549.06

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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.