Home / 211,641.72-291,586.21-201,552.64

Finding the Fourth Proportional to 211,641.72, 291,586.21 and 201,552.64

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Solution

The fourth proportional to 211,641.72, 291,586.21 and 201,552.64 is: 277,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,641.72 : 291,586.21 = 201,552.64 : x
  2. Step 2: Convert to fraction form
    211,641.72/291,586.21 = 201,552.64/x
  3. Step 3: Cross multiply
    211,641.72x = 291,586.21 × 201,552.64
  4. Step 4: Simplify right side
    211,641.72x = 58,769,971,029.52
  5. Step 5: Solve for x
    x = 58,769,971,029.52/211,641.72
  6. Step 6: Final answer
    x = 277,686.14

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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.