Finding the Fourth Proportional to 279,042.26, 384,394.95 and 202,335.93
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Solution
The fourth proportional to 279,042.26, 384,394.95 and 202,335.93 is: 278,728.07
Step by Step Solution
- Step 1: Write the proportion equation
279,042.26 : 384,394.95 = 202,335.93 : x - Step 2: Convert to fraction form
279,042.26/384,394.95 = 202,335.93/x - Step 3: Cross multiply
279,042.26x = 384,394.95 × 202,335.93 - Step 4: Simplify right side
279,042.26x = 77,776,909,695.55 - Step 5: Solve for x
x = 77,776,909,695.55/279,042.26 - Step 6: Final answer
x = 278,728.07
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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.