Finding the Fourth Proportional to 90,304.82, 124,619.29 and 49,468.62
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Solution
The fourth proportional to 90,304.82, 124,619.29 and 49,468.62 is: 68,265.95
Step by Step Solution
- Step 1: Write the proportion equation
90,304.82 : 124,619.29 = 49,468.62 : x - Step 2: Convert to fraction form
90,304.82/124,619.29 = 49,468.62/x - Step 3: Cross multiply
90,304.82x = 124,619.29 × 49,468.62 - Step 4: Simplify right side
90,304.82x = 6,164,744,301.68 - Step 5: Solve for x
x = 6,164,744,301.68/90,304.82 - Step 6: Final answer
x = 68,265.95
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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.