Finding the Fourth Proportional to 115,479.65, 173,144.55 and 48,901.70
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Solution
The fourth proportional to 115,479.65, 173,144.55 and 48,901.70 is: 73,320.82
Step by Step Solution
- Step 1: Write the proportion equation
115,479.65 : 173,144.55 = 48,901.70 : x - Step 2: Convert to fraction form
115,479.65/173,144.55 = 48,901.70/x - Step 3: Cross multiply
115,479.65x = 173,144.55 × 48,901.70 - Step 4: Simplify right side
115,479.65x = 8,467,062,840.74 - Step 5: Solve for x
x = 8,467,062,840.74/115,479.65 - Step 6: Final answer
x = 73,320.82
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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.