Finding the Fourth Proportional to 247,866.18, 342,054.18 and 140,435.97
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Solution
The fourth proportional to 247,866.18, 342,054.18 and 140,435.97 is: 193,800.99
Step by Step Solution
- Step 1: Write the proportion equation
247,866.18 : 342,054.18 = 140,435.97 : x - Step 2: Convert to fraction form
247,866.18/342,054.18 = 140,435.97/x - Step 3: Cross multiply
247,866.18x = 342,054.18 × 140,435.97 - Step 4: Simplify right side
247,866.18x = 48,036,710,560.85 - Step 5: Solve for x
x = 48,036,710,560.85/247,866.18 - Step 6: Final answer
x = 193,800.99
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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.