Finding the Fourth Proportional to 392,531.94, 588,878.37 and 152,640.18
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Solution
The fourth proportional to 392,531.94, 588,878.37 and 152,640.18 is: 228,991.56
Step by Step Solution
- Step 1: Write the proportion equation
392,531.94 : 588,878.37 = 152,640.18 : x - Step 2: Convert to fraction form
392,531.94/588,878.37 = 152,640.18/x - Step 3: Cross multiply
392,531.94x = 588,878.37 × 152,640.18 - Step 4: Simplify right side
392,531.94x = 89,886,500,394.91 - Step 5: Solve for x
x = 89,886,500,394.91/392,531.94 - Step 6: Final answer
x = 228,991.56
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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.