Finding the Fourth Proportional to 354,424.35, 489,117.78 and 201,468.96
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Solution
The fourth proportional to 354,424.35, 489,117.78 and 201,468.96 is: 278,034.09
Step by Step Solution
- Step 1: Write the proportion equation
354,424.35 : 489,117.78 = 201,468.96 : x - Step 2: Convert to fraction form
354,424.35/489,117.78 = 201,468.96/x - Step 3: Cross multiply
354,424.35x = 489,117.78 × 201,468.96 - Step 4: Simplify right side
354,424.35x = 98,542,050,454.11 - Step 5: Solve for x
x = 98,542,050,454.11/354,424.35 - Step 6: Final answer
x = 278,034.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.