Finding the Fourth Proportional to 226,463.78, 312,513.58 and 124,489.44
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Solution
The fourth proportional to 226,463.78, 312,513.58 and 124,489.44 is: 171,791.88
Step by Step Solution
- Step 1: Write the proportion equation
226,463.78 : 312,513.58 = 124,489.44 : x - Step 2: Convert to fraction form
226,463.78/312,513.58 = 124,489.44/x - Step 3: Cross multiply
226,463.78x = 312,513.58 × 124,489.44 - Step 4: Simplify right side
226,463.78x = 38,904,638,381.58 - Step 5: Solve for x
x = 38,904,638,381.58/226,463.78 - Step 6: Final answer
x = 171,791.88
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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.