Home / 291,155.64-401,800.92-163,831.23

Finding the Fourth Proportional to 291,155.64, 401,800.92 and 163,831.23

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Solution

The fourth proportional to 291,155.64, 401,800.92 and 163,831.23 is: 226,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,155.64 : 401,800.92 = 163,831.23 : x
  2. Step 2: Convert to fraction form
    291,155.64/401,800.92 = 163,831.23/x
  3. Step 3: Cross multiply
    291,155.64x = 401,800.92 × 163,831.23
  4. Step 4: Simplify right side
    291,155.64x = 65,827,538,938.73
  5. Step 5: Solve for x
    x = 65,827,538,938.73/291,155.64
  6. Step 6: Final answer
    x = 226,090.55

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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.