Finding the Fourth Proportional to 387,960.84, 582,006.87 and 177,615.18
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Solution
The fourth proportional to 387,960.84, 582,006.87 and 177,615.18 is: 266,452.81
Step by Step Solution
- Step 1: Write the proportion equation
387,960.84 : 582,006.87 = 177,615.18 : x - Step 2: Convert to fraction form
387,960.84/582,006.87 = 177,615.18/x - Step 3: Cross multiply
387,960.84x = 582,006.87 × 177,615.18 - Step 4: Simplify right side
387,960.84x = 103,373,254,976.29 - Step 5: Solve for x
x = 103,373,254,976.29/387,960.84 - Step 6: Final answer
x = 266,452.81
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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.