Home / 381,242.16-526,131.36-211,476.24

Finding the Fourth Proportional to 381,242.16, 526,131.36 and 211,476.24

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Solution

The fourth proportional to 381,242.16, 526,131.36 and 211,476.24 is: 291,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,242.16 : 526,131.36 = 211,476.24 : x
  2. Step 2: Convert to fraction form
    381,242.16/526,131.36 = 211,476.24/x
  3. Step 3: Cross multiply
    381,242.16x = 526,131.36 × 211,476.24
  4. Step 4: Simplify right side
    381,242.16x = 111,264,281,758.89
  5. Step 5: Solve for x
    x = 111,264,281,758.89/381,242.16
  6. Step 6: Final answer
    x = 291,846.74

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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.