Home / 381,152.34-525,977.01-211,402.26

Finding the Fourth Proportional to 381,152.34, 525,977.01 and 211,402.26

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Solution

The fourth proportional to 381,152.34, 525,977.01 and 211,402.26 is: 291,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,152.34 : 525,977.01 = 211,402.26 : x
  2. Step 2: Convert to fraction form
    381,152.34/525,977.01 = 211,402.26/x
  3. Step 3: Cross multiply
    381,152.34x = 525,977.01 × 211,402.26
  4. Step 4: Simplify right side
    381,152.34x = 111,192,728,622.04
  5. Step 5: Solve for x
    x = 111,192,728,622.04/381,152.34
  6. Step 6: Final answer
    x = 291,727.79

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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.