Finding the Fourth Proportional to 226,611.02, 312,730.80 and 124,640.75
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Solution
The fourth proportional to 226,611.02, 312,730.80 and 124,640.75 is: 172,008.41
Step by Step Solution
- Step 1: Write the proportion equation
226,611.02 : 312,730.80 = 124,640.75 : x - Step 2: Convert to fraction form
226,611.02/312,730.80 = 124,640.75/x - Step 3: Cross multiply
226,611.02x = 312,730.80 × 124,640.75 - Step 4: Simplify right side
226,611.02x = 38,979,001,460.10 - Step 5: Solve for x
x = 38,979,001,460.10/226,611.02 - Step 6: Final answer
x = 172,008.41
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1.5x scale
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.