Finding the Fourth Proportional to 247,706.76, 371,703.14 and 133,854.96
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Solution
The fourth proportional to 247,706.76, 371,703.14 and 133,854.96 is: 200,859.71
Step by Step Solution
- Step 1: Write the proportion equation
247,706.76 : 371,703.14 = 133,854.96 : x - Step 2: Convert to fraction form
247,706.76/371,703.14 = 133,854.96/x - Step 3: Cross multiply
247,706.76x = 371,703.14 × 133,854.96 - Step 4: Simplify right side
247,706.76x = 49,754,308,936.57 - Step 5: Solve for x
x = 49,754,308,936.57/247,706.76 - Step 6: Final answer
x = 200,859.71
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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.