Finding the Fourth Proportional to 274,807.76, 414,083.68 and 225,981.63
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Solution
The fourth proportional to 274,807.76, 414,083.68 and 225,981.63 is: 340,511.88
Step by Step Solution
- Step 1: Write the proportion equation
274,807.76 : 414,083.68 = 225,981.63 : x - Step 2: Convert to fraction form
274,807.76/414,083.68 = 225,981.63/x - Step 3: Cross multiply
274,807.76x = 414,083.68 × 225,981.63 - Step 4: Simplify right side
274,807.76x = 93,575,304,397.84 - Step 5: Solve for x
x = 93,575,304,397.84/274,807.76 - Step 6: Final answer
x = 340,511.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.