Finding the Fourth Proportional to 71,269.20, 106,863.30 and 26,897.40
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Solution
The fourth proportional to 71,269.20, 106,863.30 and 26,897.40 is: 40,330.82
Step by Step Solution
- Step 1: Write the proportion equation
71,269.20 : 106,863.30 = 26,897.40 : x - Step 2: Convert to fraction form
71,269.20/106,863.30 = 26,897.40/x - Step 3: Cross multiply
71,269.20x = 106,863.30 × 26,897.40 - Step 4: Simplify right side
71,269.20x = 2,874,344,925.42 - Step 5: Solve for x
x = 2,874,344,925.42/71,269.20 - Step 6: Final answer
x = 40,330.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.