Finding the Fourth Proportional to 247,913.98, 371,723.12 and 98,175.76
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Solution
The fourth proportional to 247,913.98, 371,723.12 and 98,175.76 is: 147,205.09
Step by Step Solution
- Step 1: Write the proportion equation
247,913.98 : 371,723.12 = 98,175.76 : x - Step 2: Convert to fraction form
247,913.98/371,723.12 = 98,175.76/x - Step 3: Cross multiply
247,913.98x = 371,723.12 × 98,175.76 - Step 4: Simplify right side
247,913.98x = 36,494,199,815.57 - Step 5: Solve for x
x = 36,494,199,815.57/247,913.98 - Step 6: Final answer
x = 147,205.09
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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.