Finding the Fourth Proportional to 146,307.60, 201,916.92 and 82,657.08
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Solution
The fourth proportional to 146,307.60, 201,916.92 and 82,657.08 is: 114,073.79
Step by Step Solution
- Step 1: Write the proportion equation
146,307.60 : 201,916.92 = 82,657.08 : x - Step 2: Convert to fraction form
146,307.60/201,916.92 = 82,657.08/x - Step 3: Cross multiply
146,307.60x = 201,916.92 × 82,657.08 - Step 4: Simplify right side
146,307.60x = 16,689,863,009.79 - Step 5: Solve for x
x = 16,689,863,009.79/146,307.60 - Step 6: Final answer
x = 114,073.79
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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.