Finding the Fourth Proportional to 165,082.70, 247,624.05 and 40,423.70
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Solution
The fourth proportional to 165,082.70, 247,624.05 and 40,423.70 is: 60,635.55
Step by Step Solution
- Step 1: Write the proportion equation
165,082.70 : 247,624.05 = 40,423.70 : x - Step 2: Convert to fraction form
165,082.70/247,624.05 = 40,423.70/x - Step 3: Cross multiply
165,082.70x = 247,624.05 × 40,423.70 - Step 4: Simplify right side
165,082.70x = 10,009,880,309.99 - Step 5: Solve for x
x = 10,009,880,309.99/165,082.70 - Step 6: Final answer
x = 60,635.55
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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.