Finding the Fourth Proportional to 154,862.70, 232,812.45 and 132,053.10
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Solution
The fourth proportional to 154,862.70, 232,812.45 and 132,053.10 is: 198,521.70
Step by Step Solution
- Step 1: Write the proportion equation
154,862.70 : 232,812.45 = 132,053.10 : x - Step 2: Convert to fraction form
154,862.70/232,812.45 = 132,053.10/x - Step 3: Cross multiply
154,862.70x = 232,812.45 × 132,053.10 - Step 4: Simplify right side
154,862.70x = 30,743,605,741.10 - Step 5: Solve for x
x = 30,743,605,741.10/154,862.70 - Step 6: Final answer
x = 198,521.70
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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.