Finding the Fourth Proportional to 149,306.08, 206,006.61 and 84,760.96
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Solution
The fourth proportional to 149,306.08, 206,006.61 and 84,760.96 is: 116,949.81
Step by Step Solution
- Step 1: Write the proportion equation
149,306.08 : 206,006.61 = 84,760.96 : x - Step 2: Convert to fraction form
149,306.08/206,006.61 = 84,760.96/x - Step 3: Cross multiply
149,306.08x = 206,006.61 × 84,760.96 - Step 4: Simplify right side
149,306.08x = 17,461,318,029.95 - Step 5: Solve for x
x = 17,461,318,029.95/149,306.08 - Step 6: Final answer
x = 116,949.81
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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.