Finding the Fourth Proportional to 217,400.76, 325,995.84 and 127,468.08
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Solution
The fourth proportional to 217,400.76, 325,995.84 and 127,468.08 is: 191,140.38
Step by Step Solution
- Step 1: Write the proportion equation
217,400.76 : 325,995.84 = 127,468.08 : x - Step 2: Convert to fraction form
217,400.76/325,995.84 = 127,468.08/x - Step 3: Cross multiply
217,400.76x = 325,995.84 × 127,468.08 - Step 4: Simplify right side
217,400.76x = 41,554,063,812.79 - Step 5: Solve for x
x = 41,554,063,812.79/217,400.76 - Step 6: Final answer
x = 191,140.38
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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.