Finding the Fourth Proportional to 137,603.70, 206,207.91 and 58,696.74
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Solution
The fourth proportional to 137,603.70, 206,207.91 and 58,696.74 is: 87,960.80
Step by Step Solution
- Step 1: Write the proportion equation
137,603.70 : 206,207.91 = 58,696.74 : x - Step 2: Convert to fraction form
137,603.70/206,207.91 = 58,696.74/x - Step 3: Cross multiply
137,603.70x = 206,207.91 × 58,696.74 - Step 4: Simplify right side
137,603.70x = 12,103,732,079.21 - Step 5: Solve for x
x = 12,103,732,079.21/137,603.70 - Step 6: Final answer
x = 87,960.80
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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.