Finding the Fourth Proportional to 202,660.05, 279,671.75 and 110,781.21
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Solution
The fourth proportional to 202,660.05, 279,671.75 and 110,781.21 is: 152,878.55
Step by Step Solution
- Step 1: Write the proportion equation
202,660.05 : 279,671.75 = 110,781.21 : x - Step 2: Convert to fraction form
202,660.05/279,671.75 = 110,781.21/x - Step 3: Cross multiply
202,660.05x = 279,671.75 × 110,781.21 - Step 4: Simplify right side
202,660.05x = 30,982,374,867.82 - Step 5: Solve for x
x = 30,982,374,867.82/202,660.05 - Step 6: Final answer
x = 152,878.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.