Home / 501,819.40-752,145.90-202,151.80

Finding the Fourth Proportional to 501,819.40, 752,145.90 and 202,151.80

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Solution

The fourth proportional to 501,819.40, 752,145.90 and 202,151.80 is: 302,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,819.40 : 752,145.90 = 202,151.80 : x
  2. Step 2: Convert to fraction form
    501,819.40/752,145.90 = 202,151.80/x
  3. Step 3: Cross multiply
    501,819.40x = 752,145.90 × 202,151.80
  4. Step 4: Simplify right side
    501,819.40x = 152,047,647,547.62
  5. Step 5: Solve for x
    x = 152,047,647,547.62/501,819.40
  6. Step 6: Final answer
    x = 302,992.77

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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.