Home / 300,630.17-448,292.29-297,930.57

Finding the Fourth Proportional to 300,630.17, 448,292.29 and 297,930.57

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Solution

The fourth proportional to 300,630.17, 448,292.29 and 297,930.57 is: 444,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,630.17 : 448,292.29 = 297,930.57 : x
  2. Step 2: Convert to fraction form
    300,630.17/448,292.29 = 297,930.57/x
  3. Step 3: Cross multiply
    300,630.17x = 448,292.29 × 297,930.57
  4. Step 4: Simplify right side
    300,630.17x = 133,559,975,996.65
  5. Step 5: Solve for x
    x = 133,559,975,996.65/300,630.17
  6. Step 6: Final answer
    x = 444,266.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.