Finding the Fourth Proportional to 155,145.80, 232,718.70 and 102,001.70
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Solution
The fourth proportional to 155,145.80, 232,718.70 and 102,001.70 is: 153,002.55
Step by Step Solution
- Step 1: Write the proportion equation
155,145.80 : 232,718.70 = 102,001.70 : x - Step 2: Convert to fraction form
155,145.80/232,718.70 = 102,001.70/x - Step 3: Cross multiply
155,145.80x = 232,718.70 × 102,001.70 - Step 4: Simplify right side
155,145.80x = 23,737,703,021.79 - Step 5: Solve for x
x = 23,737,703,021.79/155,145.80 - Step 6: Final answer
x = 153,002.55
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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.