Finding the Fourth Proportional to 217,718.97, 300,399.62 and 127,023.18
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Solution
The fourth proportional to 217,718.97, 300,399.62 and 127,023.18 is: 175,261.32
Step by Step Solution
- Step 1: Write the proportion equation
217,718.97 : 300,399.62 = 127,023.18 : x - Step 2: Convert to fraction form
217,718.97/300,399.62 = 127,023.18/x - Step 3: Cross multiply
217,718.97x = 300,399.62 × 127,023.18 - Step 4: Simplify right side
217,718.97x = 38,157,714,368.08 - Step 5: Solve for x
x = 38,157,714,368.08/217,718.97 - Step 6: Final answer
x = 175,261.32
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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.