Finding the Fourth Proportional to 149,870.18, 206,958.97 and 96,248.62
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Solution
The fourth proportional to 149,870.18, 206,958.97 and 96,248.62 is: 132,911.79
Step by Step Solution
- Step 1: Write the proportion equation
149,870.18 : 206,958.97 = 96,248.62 : x - Step 2: Convert to fraction form
149,870.18/206,958.97 = 96,248.62/x - Step 3: Cross multiply
149,870.18x = 206,958.97 × 96,248.62 - Step 4: Simplify right side
149,870.18x = 19,919,514,862.03 - Step 5: Solve for x
x = 19,919,514,862.03/149,870.18 - Step 6: Final answer
x = 132,911.79
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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.