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Finding the Fourth Proportional to 300,630.67, 448,293.03 and 297,931.07

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Solution

The fourth proportional to 300,630.67, 448,293.03 and 297,931.07 is: 444,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,630.67 : 448,293.03 = 297,931.07 : x
  2. Step 2: Convert to fraction form
    300,630.67/448,293.03 = 297,931.07/x
  3. Step 3: Cross multiply
    300,630.67x = 448,293.03 × 297,931.07
  4. Step 4: Simplify right side
    300,630.67x = 133,560,422,101.44
  5. Step 5: Solve for x
    x = 133,560,422,101.44/300,630.67
  6. Step 6: Final answer
    x = 444,267.45

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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.