Finding the Fourth Proportional to 234,462.69, 323,521.97 and 138,953.97
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Solution
The fourth proportional to 234,462.69, 323,521.97 and 138,953.97 is: 191,734.82
Step by Step Solution
- Step 1: Write the proportion equation
234,462.69 : 323,521.97 = 138,953.97 : x - Step 2: Convert to fraction form
234,462.69/323,521.97 = 138,953.97/x - Step 3: Cross multiply
234,462.69x = 323,521.97 × 138,953.97 - Step 4: Simplify right side
234,462.69x = 44,954,661,418.95 - Step 5: Solve for x
x = 44,954,661,418.95/234,462.69 - Step 6: Final answer
x = 191,734.82
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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.