Home / 418,808.00-626,626.76-248,121.36

Finding the Fourth Proportional to 418,808.00, 626,626.76 and 248,121.36

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Solution

The fourth proportional to 418,808.00, 626,626.76 and 248,121.36 is: 371,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,808.00 : 626,626.76 = 248,121.36 : x
  2. Step 2: Convert to fraction form
    418,808.00/626,626.76 = 248,121.36/x
  3. Step 3: Cross multiply
    418,808.00x = 626,626.76 × 248,121.36
  4. Step 4: Simplify right side
    418,808.00x = 155,479,482,662.99
  5. Step 5: Solve for x
    x = 155,479,482,662.99/418,808.00
  6. Step 6: Final answer
    x = 371,242.87

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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.