Finding the Fourth Proportional to 226,507.20, 312,580.56 and 124,543.08
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Solution
The fourth proportional to 226,507.20, 312,580.56 and 124,543.08 is: 171,869.79
Step by Step Solution
- Step 1: Write the proportion equation
226,507.20 : 312,580.56 = 124,543.08 : x - Step 2: Convert to fraction form
226,507.20/312,580.56 = 124,543.08/x - Step 3: Cross multiply
226,507.20x = 312,580.56 × 124,543.08 - Step 4: Simplify right side
226,507.20x = 38,929,745,067.81 - Step 5: Solve for x
x = 38,929,745,067.81/226,507.20 - Step 6: Final answer
x = 171,869.79
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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.