Finding the Fourth Proportional to 395,574.98, 593,378.84 and 115,092.23
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Solution
The fourth proportional to 395,574.98, 593,378.84 and 115,092.23 is: 172,643.10
Step by Step Solution
- Step 1: Write the proportion equation
395,574.98 : 593,378.84 = 115,092.23 : x - Step 2: Convert to fraction form
395,574.98/593,378.84 = 115,092.23/x - Step 3: Cross multiply
395,574.98x = 593,378.84 × 115,092.23 - Step 4: Simplify right side
395,574.98x = 68,293,290,388.06 - Step 5: Solve for x
x = 68,293,290,388.06/395,574.98 - Step 6: Final answer
x = 172,643.10
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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.