Finding the Fourth Proportional to 354,417.02, 489,084.66 and 201,471.92
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Solution
The fourth proportional to 354,417.02, 489,084.66 and 201,471.92 is: 278,025.09
Step by Step Solution
- Step 1: Write the proportion equation
354,417.02 : 489,084.66 = 201,471.92 : x - Step 2: Convert to fraction form
354,417.02/489,084.66 = 201,471.92/x - Step 3: Cross multiply
354,417.02x = 489,084.66 × 201,471.92 - Step 4: Simplify right side
354,417.02x = 98,536,825,492.75 - Step 5: Solve for x
x = 98,536,825,492.75/354,417.02 - Step 6: Final answer
x = 278,025.09
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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.