Finding the Fourth Proportional to 149,052.34, 205,623.12 and 88,589.08
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Solution
The fourth proportional to 149,052.34, 205,623.12 and 88,589.08 is: 122,211.86
Step by Step Solution
- Step 1: Write the proportion equation
149,052.34 : 205,623.12 = 88,589.08 : x - Step 2: Convert to fraction form
149,052.34/205,623.12 = 88,589.08/x - Step 3: Cross multiply
149,052.34x = 205,623.12 × 88,589.08 - Step 4: Simplify right side
149,052.34x = 18,215,963,027.53 - Step 5: Solve for x
x = 18,215,963,027.53/149,052.34 - Step 6: Final answer
x = 122,211.86
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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.