Finding the Fourth Proportional to 226,702.13, 312,848.91 and 124,725.42
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Solution
The fourth proportional to 226,702.13, 312,848.91 and 124,725.42 is: 172,121.07
Step by Step Solution
- Step 1: Write the proportion equation
226,702.13 : 312,848.91 = 124,725.42 : x - Step 2: Convert to fraction form
226,702.13/312,848.91 = 124,725.42/x - Step 3: Cross multiply
226,702.13x = 312,848.91 × 124,725.42 - Step 4: Simplify right side
226,702.13x = 39,020,211,696.29 - Step 5: Solve for x
x = 39,020,211,696.29/226,702.13 - Step 6: Final answer
x = 172,121.07
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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.