Finding the Fourth Proportional to 274,169.18, 378,351.33 and 153,310.70
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Solution
The fourth proportional to 274,169.18, 378,351.33 and 153,310.70 is: 211,567.57
Step by Step Solution
- Step 1: Write the proportion equation
274,169.18 : 378,351.33 = 153,310.70 : x - Step 2: Convert to fraction form
274,169.18/378,351.33 = 153,310.70/x - Step 3: Cross multiply
274,169.18x = 378,351.33 × 153,310.70 - Step 4: Simplify right side
274,169.18x = 58,005,307,248.23 - Step 5: Solve for x
x = 58,005,307,248.23/274,169.18 - Step 6: Final answer
x = 211,567.57
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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.