Finding the Fourth Proportional to 326,572.39, 489,876.81 and 101,963.84
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Solution
The fourth proportional to 326,572.39, 489,876.81 and 101,963.84 is: 152,951.45
Step by Step Solution
- Step 1: Write the proportion equation
326,572.39 : 489,876.81 = 101,963.84 : x - Step 2: Convert to fraction form
326,572.39/489,876.81 = 101,963.84/x - Step 3: Cross multiply
326,572.39x = 489,876.81 × 101,963.84 - Step 4: Simplify right side
326,572.39x = 49,949,720,674.55 - Step 5: Solve for x
x = 49,949,720,674.55/326,572.39 - Step 6: Final answer
x = 152,951.45
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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.