Finding the Fourth Proportional to 154,197.90, 212,675.69 and 132,724.19
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Solution
The fourth proportional to 154,197.90, 212,675.69 and 132,724.19 is: 183,058.33
Step by Step Solution
- Step 1: Write the proportion equation
154,197.90 : 212,675.69 = 132,724.19 : x - Step 2: Convert to fraction form
154,197.90/212,675.69 = 132,724.19/x - Step 3: Cross multiply
154,197.90x = 212,675.69 × 132,724.19 - Step 4: Simplify right side
154,197.90x = 28,227,209,551.44 - Step 5: Solve for x
x = 28,227,209,551.44/154,197.90 - Step 6: Final answer
x = 183,058.33
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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.