Finding the Fourth Proportional to 84,146.70, 126,219.05 and 24,176.65
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Solution
The fourth proportional to 84,146.70, 126,219.05 and 24,176.65 is: 36,264.69
Step by Step Solution
- Step 1: Write the proportion equation
84,146.70 : 126,219.05 = 24,176.65 : x - Step 2: Convert to fraction form
84,146.70/126,219.05 = 24,176.65/x - Step 3: Cross multiply
84,146.70x = 126,219.05 × 24,176.65 - Step 4: Simplify right side
84,146.70x = 3,051,553,795.18 - Step 5: Solve for x
x = 3,051,553,795.18/84,146.70 - Step 6: Final answer
x = 36,264.69
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1.5x scale
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.