Home / 291,225.21-401,824.31-163,854.33

Finding the Fourth Proportional to 291,225.21, 401,824.31 and 163,854.33

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Solution

The fourth proportional to 291,225.21, 401,824.31 and 163,854.33 is: 226,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,225.21 : 401,824.31 = 163,854.33 : x
  2. Step 2: Convert to fraction form
    291,225.21/401,824.31 = 163,854.33/x
  3. Step 3: Cross multiply
    291,225.21x = 401,824.31 × 163,854.33
  4. Step 4: Simplify right side
    291,225.21x = 65,840,652,273.49
  5. Step 5: Solve for x
    x = 65,840,652,273.49/291,225.21
  6. Step 6: Final answer
    x = 226,081.57

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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.