Finding the Fourth Proportional to 479,378.91, 718,881.48 and 179,695.97
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Solution
The fourth proportional to 479,378.91, 718,881.48 and 179,695.97 is: 269,473.90
Step by Step Solution
- Step 1: Write the proportion equation
479,378.91 : 718,881.48 = 179,695.97 : x - Step 2: Convert to fraction form
479,378.91/718,881.48 = 179,695.97/x - Step 3: Cross multiply
479,378.91x = 718,881.48 × 179,695.97 - Step 4: Simplify right side
479,378.91x = 129,180,103,965.03 - Step 5: Solve for x
x = 129,180,103,965.03/479,378.91 - Step 6: Final answer
x = 269,473.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.