Finding the Fourth Proportional to 148,704.76, 205,119.01 and 88,232.49
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Solution
The fourth proportional to 148,704.76, 205,119.01 and 88,232.49 is: 121,705.32
Step by Step Solution
- Step 1: Write the proportion equation
148,704.76 : 205,119.01 = 88,232.49 : x - Step 2: Convert to fraction form
148,704.76/205,119.01 = 88,232.49/x - Step 3: Cross multiply
148,704.76x = 205,119.01 × 88,232.49 - Step 4: Simplify right side
148,704.76x = 18,098,161,108.93 - Step 5: Solve for x
x = 18,098,161,108.93/148,704.76 - Step 6: Final answer
x = 121,705.32
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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.