Finding the Fourth Proportional to 137,397.84, 206,174.70 and 58,503.84
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Solution
The fourth proportional to 137,397.84, 206,174.70 and 58,503.84 is: 87,788.95
Step by Step Solution
- Step 1: Write the proportion equation
137,397.84 : 206,174.70 = 58,503.84 : x - Step 2: Convert to fraction form
137,397.84/206,174.70 = 58,503.84/x - Step 3: Cross multiply
137,397.84x = 206,174.70 × 58,503.84 - Step 4: Simplify right side
137,397.84x = 12,062,011,660.85 - Step 5: Solve for x
x = 12,062,011,660.85/137,397.84 - Step 6: Final answer
x = 87,788.95
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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.