Finding the Fourth Proportional to 201,924.97, 278,657.55 and 115,877.10
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Solution
The fourth proportional to 201,924.97, 278,657.55 and 115,877.10 is: 159,911.02
Step by Step Solution
- Step 1: Write the proportion equation
201,924.97 : 278,657.55 = 115,877.10 : x - Step 2: Convert to fraction form
201,924.97/278,657.55 = 115,877.10/x - Step 3: Cross multiply
201,924.97x = 278,657.55 × 115,877.10 - Step 4: Simplify right side
201,924.97x = 32,290,028,787.11 - Step 5: Solve for x
x = 32,290,028,787.11/201,924.97 - Step 6: Final answer
x = 159,911.02
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1.5x scale
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.