Finding the Fourth Proportional to 388,210.68, 582,117.84 and 177,668.10
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Solution
The fourth proportional to 388,210.68, 582,117.84 and 177,668.10 is: 266,411.45
Step by Step Solution
- Step 1: Write the proportion equation
388,210.68 : 582,117.84 = 177,668.10 : x - Step 2: Convert to fraction form
388,210.68/582,117.84 = 177,668.10/x - Step 3: Cross multiply
388,210.68x = 582,117.84 × 177,668.10 - Step 4: Simplify right side
388,210.68x = 103,423,770,608.90 - Step 5: Solve for x
x = 103,423,770,608.90/388,210.68 - Step 6: Final answer
x = 266,411.45
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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.