Finding the Fourth Proportional to 489,657.15, 734,370.84 and 236,812.59
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Solution
The fourth proportional to 489,657.15, 734,370.84 and 236,812.59 is: 355,163.32
Step by Step Solution
- Step 1: Write the proportion equation
489,657.15 : 734,370.84 = 236,812.59 : x - Step 2: Convert to fraction form
489,657.15/734,370.84 = 236,812.59/x - Step 3: Cross multiply
489,657.15x = 734,370.84 × 236,812.59 - Step 4: Simplify right side
489,657.15x = 173,908,260,640.88 - Step 5: Solve for x
x = 173,908,260,640.88/489,657.15 - Step 6: Final answer
x = 355,163.32
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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.