Finding the Fourth Proportional to 395,991.06, 593,938.35 and 115,508.58
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Solution
The fourth proportional to 395,991.06, 593,938.35 and 115,508.58 is: 173,248.80
Step by Step Solution
- Step 1: Write the proportion equation
395,991.06 : 593,938.35 = 115,508.58 : x - Step 2: Convert to fraction form
395,991.06/593,938.35 = 115,508.58/x - Step 3: Cross multiply
395,991.06x = 593,938.35 × 115,508.58 - Step 4: Simplify right side
395,991.06x = 68,604,975,416.04 - Step 5: Solve for x
x = 68,604,975,416.04/395,991.06 - Step 6: Final answer
x = 173,248.80
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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.