Home / 668,263.14-1,002,344.34-212,836.01

Finding the Fourth Proportional to 668,263.14, 1,002,344.34 and 212,836.01

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Solution

The fourth proportional to 668,263.14, 1,002,344.34 and 212,836.01 is: 319,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,263.14 : 1,002,344.34 = 212,836.01 : x
  2. Step 2: Convert to fraction form
    668,263.14/1,002,344.34 = 212,836.01/x
  3. Step 3: Cross multiply
    668,263.14x = 1,002,344.34 × 212,836.01
  4. Step 4: Simplify right side
    668,263.14x = 213,334,964,959.96
  5. Step 5: Solve for x
    x = 213,334,964,959.96/668,263.14
  6. Step 6: Final answer
    x = 319,237.97

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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.