Home / 291,122.80-401,534.36-200,507.44

Finding the Fourth Proportional to 291,122.80, 401,534.36 and 200,507.44

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Solution

The fourth proportional to 291,122.80, 401,534.36 and 200,507.44 is: 276,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,122.80 : 401,534.36 = 200,507.44 : x
  2. Step 2: Convert to fraction form
    291,122.80/401,534.36 = 200,507.44/x
  3. Step 3: Cross multiply
    291,122.80x = 401,534.36 × 200,507.44
  4. Step 4: Simplify right side
    291,122.80x = 80,510,626,595.64
  5. Step 5: Solve for x
    x = 80,510,626,595.64/291,122.80
  6. Step 6: Final answer
    x = 276,552.12

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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.