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Finding the Fourth Proportional to 299,002.40, 448,503.60 and 296,928.80

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Solution

The fourth proportional to 299,002.40, 448,503.60 and 296,928.80 is: 445,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,002.40 : 448,503.60 = 296,928.80 : x
  2. Step 2: Convert to fraction form
    299,002.40/448,503.60 = 296,928.80/x
  3. Step 3: Cross multiply
    299,002.40x = 448,503.60 × 296,928.80
  4. Step 4: Simplify right side
    299,002.40x = 133,173,635,743.68
  5. Step 5: Solve for x
    x = 133,173,635,743.68/299,002.40
  6. Step 6: Final answer
    x = 445,393.20

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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.