Home / 666,835.68-1,000,357.20-223,500

Finding the Fourth Proportional to 666,835.68, 1,000,357.20 and 223,500

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Solution

The fourth proportional to 666,835.68, 1,000,357.20 and 223,500 is: 335,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,835.68 : 1,000,357.20 = 223,500 : x
  2. Step 2: Convert to fraction form
    666,835.68/1,000,357.20 = 223,500/x
  3. Step 3: Cross multiply
    666,835.68x = 1,000,357.20 × 223,500
  4. Step 4: Simplify right side
    666,835.68x = 223,579,834,200
  5. Step 5: Solve for x
    x = 223,579,834,200/666,835.68
  6. Step 6: Final answer
    x = 335,284.75

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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.