Finding the Fourth Proportional to 274,701.62, 379,070.18 and 153,815.19
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Solution
The fourth proportional to 274,701.62, 379,070.18 and 153,815.19 is: 212,254.86
Step by Step Solution
- Step 1: Write the proportion equation
274,701.62 : 379,070.18 = 153,815.19 : x - Step 2: Convert to fraction form
274,701.62/379,070.18 = 153,815.19/x - Step 3: Cross multiply
274,701.62x = 379,070.18 × 153,815.19 - Step 4: Simplify right side
274,701.62x = 58,306,751,760.03 - Step 5: Solve for x
x = 58,306,751,760.03/274,701.62 - Step 6: Final answer
x = 212,254.86
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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.