Finding the Fourth Proportional to 485,845.26, 728,626.95 and 186,304.02
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Solution
The fourth proportional to 485,845.26, 728,626.95 and 186,304.02 is: 279,401.98
Step by Step Solution
- Step 1: Write the proportion equation
485,845.26 : 728,626.95 = 186,304.02 : x - Step 2: Convert to fraction form
485,845.26/728,626.95 = 186,304.02/x - Step 3: Cross multiply
485,845.26x = 728,626.95 × 186,304.02 - Step 4: Simplify right side
485,845.26x = 135,746,129,865.34 - Step 5: Solve for x
x = 135,746,129,865.34/485,845.26 - Step 6: Final answer
x = 279,401.98
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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.