Home / 673,421.30-1,010,002.35-200,122.10

Finding the Fourth Proportional to 673,421.30, 1,010,002.35 and 200,122.10

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Solution

The fourth proportional to 673,421.30, 1,010,002.35 and 200,122.10 is: 300,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,421.30 : 1,010,002.35 = 200,122.10 : x
  2. Step 2: Convert to fraction form
    673,421.30/1,010,002.35 = 200,122.10/x
  3. Step 3: Cross multiply
    673,421.30x = 1,010,002.35 × 200,122.10
  4. Step 4: Simplify right side
    673,421.30x = 202,123,791,286.94
  5. Step 5: Solve for x
    x = 202,123,791,286.94/673,421.30
  6. Step 6: Final answer
    x = 300,144.64

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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.