Home / 382,272.22-527,549.20-210,203.28

Finding the Fourth Proportional to 382,272.22, 527,549.20 and 210,203.28

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Solution

The fourth proportional to 382,272.22, 527,549.20 and 210,203.28 is: 290,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,272.22 : 527,549.20 = 210,203.28 : x
  2. Step 2: Convert to fraction form
    382,272.22/527,549.20 = 210,203.28/x
  3. Step 3: Cross multiply
    382,272.22x = 527,549.20 × 210,203.28
  4. Step 4: Simplify right side
    382,272.22x = 110,892,572,201.38
  5. Step 5: Solve for x
    x = 110,892,572,201.38/382,272.22
  6. Step 6: Final answer
    x = 290,087.97

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1.5x scale

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.