Finding the Fourth Proportional to 395,574.79, 593,378.56 and 115,092.04
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Solution
The fourth proportional to 395,574.79, 593,378.56 and 115,092.04 is: 172,642.82
Step by Step Solution
- Step 1: Write the proportion equation
395,574.79 : 593,378.56 = 115,092.04 : x - Step 2: Convert to fraction form
395,574.79/593,378.56 = 115,092.04/x - Step 3: Cross multiply
395,574.79x = 593,378.56 × 115,092.04 - Step 4: Simplify right side
395,574.79x = 68,293,145,420.31 - Step 5: Solve for x
x = 68,293,145,420.31/395,574.79 - Step 6: Final answer
x = 172,642.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.