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Finding the Fourth Proportional to 299,133.30, 448,602.45 and 99,400.06

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Solution

The fourth proportional to 299,133.30, 448,602.45 and 99,400.06 is: 149,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,133.30 : 448,602.45 = 99,400.06 : x
  2. Step 2: Convert to fraction form
    299,133.30/448,602.45 = 99,400.06/x
  3. Step 3: Cross multiply
    299,133.30x = 448,602.45 × 99,400.06
  4. Step 4: Simplify right side
    299,133.30x = 44,591,111,193.28
  5. Step 5: Solve for x
    x = 44,591,111,193.28/299,133.30
  6. Step 6: Final answer
    x = 149,067.69

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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.