Home / 291,094.20-401,681.40-163,767.12

Finding the Fourth Proportional to 291,094.20, 401,681.40 and 163,767.12

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Solution

The fourth proportional to 291,094.20, 401,681.40 and 163,767.12 is: 225,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,094.20 : 401,681.40 = 163,767.12 : x
  2. Step 2: Convert to fraction form
    291,094.20/401,681.40 = 163,767.12/x
  3. Step 3: Cross multiply
    291,094.20x = 401,681.40 × 163,767.12
  4. Step 4: Simplify right side
    291,094.20x = 65,782,206,035.57
  5. Step 5: Solve for x
    x = 65,782,206,035.57/291,094.20
  6. Step 6: Final answer
    x = 225,982.54

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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.