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Finding the Fourth Proportional to 299,076.08, 448,707.72 and 88,715.12

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Solution

The fourth proportional to 299,076.08, 448,707.72 and 88,715.12 is: 133,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,076.08 : 448,707.72 = 88,715.12 : x
  2. Step 2: Convert to fraction form
    299,076.08/448,707.72 = 88,715.12/x
  3. Step 3: Cross multiply
    299,076.08x = 448,707.72 × 88,715.12
  4. Step 4: Simplify right side
    299,076.08x = 39,807,159,224.73
  5. Step 5: Solve for x
    x = 39,807,159,224.73/299,076.08
  6. Step 6: Final answer
    x = 133,100.44

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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.