Finding the Fourth Proportional to 229,876.18, 317,049.12 and 157,322.08
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Solution
The fourth proportional to 229,876.18, 317,049.12 and 157,322.08 is: 216,981.28
Step by Step Solution
- Step 1: Write the proportion equation
229,876.18 : 317,049.12 = 157,322.08 : x - Step 2: Convert to fraction form
229,876.18/317,049.12 = 157,322.08/x - Step 3: Cross multiply
229,876.18x = 317,049.12 × 157,322.08 - Step 4: Simplify right side
229,876.18x = 49,878,827,020.57 - Step 5: Solve for x
x = 49,878,827,020.57/229,876.18 - Step 6: Final answer
x = 216,981.28
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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.