Finding the Fourth Proportional to 154,646.70, 232,042.95 and 115,280.70
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Solution
The fourth proportional to 154,646.70, 232,042.95 and 115,280.70 is: 172,975.39
Step by Step Solution
- Step 1: Write the proportion equation
154,646.70 : 232,042.95 = 115,280.70 : x - Step 2: Convert to fraction form
154,646.70/232,042.95 = 115,280.70/x - Step 3: Cross multiply
154,646.70x = 232,042.95 × 115,280.70 - Step 4: Simplify right side
154,646.70x = 26,750,073,706.07 - Step 5: Solve for x
x = 26,750,073,706.07/154,646.70 - Step 6: Final answer
x = 172,975.39
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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.