Home / 673,412.20-1,010,231.70-200,145.40

Finding the Fourth Proportional to 673,412.20, 1,010,231.70 and 200,145.40

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Solution

The fourth proportional to 673,412.20, 1,010,231.70 and 200,145.40 is: 300,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,412.20 : 1,010,231.70 = 200,145.40 : x
  2. Step 2: Convert to fraction form
    673,412.20/1,010,231.70 = 200,145.40/x
  3. Step 3: Cross multiply
    673,412.20x = 1,010,231.70 × 200,145.40
  4. Step 4: Simplify right side
    673,412.20x = 202,193,227,689.18
  5. Step 5: Solve for x
    x = 202,193,227,689.18/673,412.20
  6. Step 6: Final answer
    x = 300,251.80

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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.