Home / 291,222.96-401,821.20-163,852.08

Finding the Fourth Proportional to 291,222.96, 401,821.20 and 163,852.08

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Solution

The fourth proportional to 291,222.96, 401,821.20 and 163,852.08 is: 226,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,222.96 : 401,821.20 = 163,852.08 : x
  2. Step 2: Convert to fraction form
    291,222.96/401,821.20 = 163,852.08/x
  3. Step 3: Cross multiply
    291,222.96x = 401,821.20 × 163,852.08
  4. Step 4: Simplify right side
    291,222.96x = 65,839,239,408.10
  5. Step 5: Solve for x
    x = 65,839,239,408.10/291,222.96
  6. Step 6: Final answer
    x = 226,078.46

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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.