Finding the Fourth Proportional to 366,703.12, 550,211.52 and 153,520.84
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Solution
The fourth proportional to 366,703.12, 550,211.52 and 153,520.84 is: 230,346.92
Step by Step Solution
- Step 1: Write the proportion equation
366,703.12 : 550,211.52 = 153,520.84 : x - Step 2: Convert to fraction form
366,703.12/550,211.52 = 153,520.84/x - Step 3: Cross multiply
366,703.12x = 550,211.52 × 153,520.84 - Step 4: Simplify right side
366,703.12x = 84,468,934,728.08 - Step 5: Solve for x
x = 84,468,934,728.08/366,703.12 - Step 6: Final answer
x = 230,346.92
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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.