Finding the Fourth Proportional to 157,068.30, 235,516.05 and 68,306.70
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Solution
The fourth proportional to 157,068.30, 235,516.05 and 68,306.70 is: 102,422.48
Step by Step Solution
- Step 1: Write the proportion equation
157,068.30 : 235,516.05 = 68,306.70 : x - Step 2: Convert to fraction form
157,068.30/235,516.05 = 68,306.70/x - Step 3: Cross multiply
157,068.30x = 235,516.05 × 68,306.70 - Step 4: Simplify right side
157,068.30x = 16,087,324,172.54 - Step 5: Solve for x
x = 16,087,324,172.54/157,068.30 - Step 6: Final answer
x = 102,422.48
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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.