Finding the Fourth Proportional to 266,006.24, 399,074.40 and 88,512.80
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Solution
The fourth proportional to 266,006.24, 399,074.40 and 88,512.80 is: 132,790.84
Step by Step Solution
- Step 1: Write the proportion equation
266,006.24 : 399,074.40 = 88,512.80 : x - Step 2: Convert to fraction form
266,006.24/399,074.40 = 88,512.80/x - Step 3: Cross multiply
266,006.24x = 399,074.40 × 88,512.80 - Step 4: Simplify right side
266,006.24x = 35,323,192,552.32 - Step 5: Solve for x
x = 35,323,192,552.32/266,006.24 - Step 6: Final answer
x = 132,790.84
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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.