Finding the Fourth Proportional to 354,735.28, 489,545.49 and 201,795.63
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Solution
The fourth proportional to 354,735.28, 489,545.49 and 201,795.63 is: 278,484.12
Step by Step Solution
- Step 1: Write the proportion equation
354,735.28 : 489,545.49 = 201,795.63 : x - Step 2: Convert to fraction form
354,735.28/489,545.49 = 201,795.63/x - Step 3: Cross multiply
354,735.28x = 489,545.49 × 201,795.63 - Step 4: Simplify right side
354,735.28x = 98,788,140,568.21 - Step 5: Solve for x
x = 98,788,140,568.21/354,735.28 - Step 6: Final answer
x = 278,484.12
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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.