Finding the Fourth Proportional to 247,761.06, 371,639.84 and 70,267.92
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Solution
The fourth proportional to 247,761.06, 371,639.84 and 70,267.92 is: 105,401.38
Step by Step Solution
- Step 1: Write the proportion equation
247,761.06 : 371,639.84 = 70,267.92 : x - Step 2: Convert to fraction form
247,761.06/371,639.84 = 70,267.92/x - Step 3: Cross multiply
247,761.06x = 371,639.84 × 70,267.92 - Step 4: Simplify right side
247,761.06x = 26,114,358,194.59 - Step 5: Solve for x
x = 26,114,358,194.59/247,761.06 - Step 6: Final answer
x = 105,401.38
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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.