Home / 890,111.16-1,335,147.91-216,195.62

Finding the Fourth Proportional to 890,111.16, 1,335,147.91 and 216,195.62

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Solution

The fourth proportional to 890,111.16, 1,335,147.91 and 216,195.62 is: 324,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,111.16 : 1,335,147.91 = 216,195.62 : x
  2. Step 2: Convert to fraction form
    890,111.16/1,335,147.91 = 216,195.62/x
  3. Step 3: Cross multiply
    890,111.16x = 1,335,147.91 × 216,195.62
  4. Step 4: Simplify right side
    890,111.16x = 288,653,122,977.93
  5. Step 5: Solve for x
    x = 288,653,122,977.93/890,111.16
  6. Step 6: Final answer
    x = 324,288.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.