Finding the Fourth Proportional to 247,705.70, 341,854.94 and 140,294.84
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Solution
The fourth proportional to 247,705.70, 341,854.94 and 140,294.84 is: 193,618.81
Step by Step Solution
- Step 1: Write the proportion equation
247,705.70 : 341,854.94 = 140,294.84 : x - Step 2: Convert to fraction form
247,705.70/341,854.94 = 140,294.84/x - Step 3: Cross multiply
247,705.70x = 341,854.94 × 140,294.84 - Step 4: Simplify right side
247,705.70x = 47,960,482,401.23 - Step 5: Solve for x
x = 47,960,482,401.23/247,705.70 - Step 6: Final answer
x = 193,618.81
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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.