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Finding the Fourth Proportional to 299,397.51, 448,999.07 and 99,664.27

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Solution

The fourth proportional to 299,397.51, 448,999.07 and 99,664.27 is: 149,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,397.51 : 448,999.07 = 99,664.27 : x
  2. Step 2: Convert to fraction form
    299,397.51/448,999.07 = 99,664.27/x
  3. Step 3: Cross multiply
    299,397.51x = 448,999.07 × 99,664.27
  4. Step 4: Simplify right side
    299,397.51x = 44,749,162,921.41
  5. Step 5: Solve for x
    x = 44,749,162,921.41/299,397.51
  6. Step 6: Final answer
    x = 149,464.05

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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.