Home / 668,566.11-1,002,741.99-213,098.16

Finding the Fourth Proportional to 668,566.11, 1,002,741.99 and 213,098.16

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Solution

The fourth proportional to 668,566.11, 1,002,741.99 and 213,098.16 is: 319,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,566.11 : 1,002,741.99 = 213,098.16 : x
  2. Step 2: Convert to fraction form
    668,566.11/1,002,741.99 = 213,098.16/x
  3. Step 3: Cross multiply
    668,566.11x = 1,002,741.99 × 213,098.16
  4. Step 4: Simplify right side
    668,566.11x = 213,682,473,023.74
  5. Step 5: Solve for x
    x = 213,682,473,023.74/668,566.11
  6. Step 6: Final answer
    x = 319,613.08

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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.