Finding the Fourth Proportional to 110,821.68, 152,934.48 and 60,520.68
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Solution
The fourth proportional to 110,821.68, 152,934.48 and 60,520.68 is: 83,518.85
Step by Step Solution
- Step 1: Write the proportion equation
110,821.68 : 152,934.48 = 60,520.68 : x - Step 2: Convert to fraction form
110,821.68/152,934.48 = 60,520.68/x - Step 3: Cross multiply
110,821.68x = 152,934.48 × 60,520.68 - Step 4: Simplify right side
110,821.68x = 9,255,698,725.05 - Step 5: Solve for x
x = 9,255,698,725.05/110,821.68 - Step 6: Final answer
x = 83,518.85
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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.