Finding the Fourth Proportional to 395,427.18, 593,228.26 and 217,842.78
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Solution
The fourth proportional to 395,427.18, 593,228.26 and 217,842.78 is: 326,812.37
Step by Step Solution
- Step 1: Write the proportion equation
395,427.18 : 593,228.26 = 217,842.78 : x - Step 2: Convert to fraction form
395,427.18/593,228.26 = 217,842.78/x - Step 3: Cross multiply
395,427.18x = 593,228.26 × 217,842.78 - Step 4: Simplify right side
395,427.18x = 129,230,493,332.96 - Step 5: Solve for x
x = 129,230,493,332.96/395,427.18 - Step 6: Final answer
x = 326,812.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.