Finding the Fourth Proportional to 726,792.92, 1,090,181.95 and 187,047.09
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Solution
The fourth proportional to 726,792.92, 1,090,181.95 and 187,047.09 is: 280,568.72
Step by Step Solution
- Step 1: Write the proportion equation
726,792.92 : 1,090,181.95 = 187,047.09 : x - Step 2: Convert to fraction form
726,792.92/1,090,181.95 = 187,047.09/x - Step 3: Cross multiply
726,792.92x = 1,090,181.95 × 187,047.09 - Step 4: Simplify right side
726,792.92x = 203,915,359,637.09 - Step 5: Solve for x
x = 203,915,359,637.09/726,792.92 - Step 6: Final answer
x = 280,568.72
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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.