Finding the Fourth Proportional to 274,282.98, 378,358.14 and 159,548.70
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Solution
The fourth proportional to 274,282.98, 378,358.14 and 159,548.70 is: 220,088.58
Step by Step Solution
- Step 1: Write the proportion equation
274,282.98 : 378,358.14 = 159,548.70 : x - Step 2: Convert to fraction form
274,282.98/378,358.14 = 159,548.70/x - Step 3: Cross multiply
274,282.98x = 378,358.14 × 159,548.70 - Step 4: Simplify right side
274,282.98x = 60,366,550,491.11 - Step 5: Solve for x
x = 60,366,550,491.11/274,282.98 - Step 6: Final answer
x = 220,088.58
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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.