Finding the Fourth Proportional to 157,398.24, 217,184.92 and 88,474.06
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Solution
The fourth proportional to 157,398.24, 217,184.92 and 88,474.06 is: 122,080.35
Step by Step Solution
- Step 1: Write the proportion equation
157,398.24 : 217,184.92 = 88,474.06 : x - Step 2: Convert to fraction form
157,398.24/217,184.92 = 88,474.06/x - Step 3: Cross multiply
157,398.24x = 217,184.92 × 88,474.06 - Step 4: Simplify right side
157,398.24x = 19,215,231,643.18 - Step 5: Solve for x
x = 19,215,231,643.18/157,398.24 - Step 6: Final answer
x = 122,080.35
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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.