Finding the Fourth Proportional to 226,349.10, 312,360.21 and 124,375.64
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Solution
The fourth proportional to 226,349.10, 312,360.21 and 124,375.64 is: 171,637.53
Step by Step Solution
- Step 1: Write the proportion equation
226,349.10 : 312,360.21 = 124,375.64 : x - Step 2: Convert to fraction form
226,349.10/312,360.21 = 124,375.64/x - Step 3: Cross multiply
226,349.10x = 312,360.21 × 124,375.64 - Step 4: Simplify right side
226,349.10x = 38,849,999,467.48 - Step 5: Solve for x
x = 38,849,999,467.48/226,349.10 - Step 6: Final answer
x = 171,637.53
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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.