Finding the Fourth Proportional to 247,909.18, 371,833.78 and 68,009.26
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Solution
The fourth proportional to 247,909.18, 371,833.78 and 68,009.26 is: 102,005.66
Step by Step Solution
- Step 1: Write the proportion equation
247,909.18 : 371,833.78 = 68,009.26 : x - Step 2: Convert to fraction form
247,909.18/371,833.78 = 68,009.26/x - Step 3: Cross multiply
247,909.18x = 371,833.78 × 68,009.26 - Step 4: Simplify right side
247,909.18x = 25,288,140,220.80 - Step 5: Solve for x
x = 25,288,140,220.80/247,909.18 - Step 6: Final answer
x = 102,005.66
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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.