Finding the Fourth Proportional to 149,677.80, 206,590.86 and 86,052.60
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Solution
The fourth proportional to 149,677.80, 206,590.86 and 86,052.60 is: 118,773.00
Step by Step Solution
- Step 1: Write the proportion equation
149,677.80 : 206,590.86 = 86,052.60 : x - Step 2: Convert to fraction form
149,677.80/206,590.86 = 86,052.60/x - Step 3: Cross multiply
149,677.80x = 206,590.86 × 86,052.60 - Step 4: Simplify right side
149,677.80x = 17,777,680,639.24 - Step 5: Solve for x
x = 17,777,680,639.24/149,677.80 - Step 6: Final answer
x = 118,773.00
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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.