Finding the Fourth Proportional to 268,989.98, 371,207.39 and 154,273.14
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Solution
The fourth proportional to 268,989.98, 371,207.39 and 154,273.14 is: 212,897.63
Step by Step Solution
- Step 1: Write the proportion equation
268,989.98 : 371,207.39 = 154,273.14 : x - Step 2: Convert to fraction form
268,989.98/371,207.39 = 154,273.14/x - Step 3: Cross multiply
268,989.98x = 371,207.39 × 154,273.14 - Step 4: Simplify right side
268,989.98x = 57,267,328,875.14 - Step 5: Solve for x
x = 57,267,328,875.14/268,989.98 - Step 6: Final answer
x = 212,897.63
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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.