Finding the Fourth Proportional to 326,214.80, 489,366.66 and 189,502.13
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Solution
The fourth proportional to 326,214.80, 489,366.66 and 189,502.13 is: 284,279.02
Step by Step Solution
- Step 1: Write the proportion equation
326,214.80 : 489,366.66 = 189,502.13 : x - Step 2: Convert to fraction form
326,214.80/489,366.66 = 189,502.13/x - Step 3: Cross multiply
326,214.80x = 489,366.66 × 189,502.13 - Step 4: Simplify right side
326,214.80x = 92,736,021,974.15 - Step 5: Solve for x
x = 92,736,021,974.15/326,214.80 - Step 6: Final answer
x = 284,279.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.