Finding the Fourth Proportional to 275,351.68, 412,988.48 and 88,338.88
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Solution
The fourth proportional to 275,351.68, 412,988.48 and 88,338.88 is: 132,495.80
Step by Step Solution
- Step 1: Write the proportion equation
275,351.68 : 412,988.48 = 88,338.88 : x - Step 2: Convert to fraction form
275,351.68/412,988.48 = 88,338.88/x - Step 3: Cross multiply
275,351.68x = 412,988.48 × 88,338.88 - Step 4: Simplify right side
275,351.68x = 36,482,939,776.10 - Step 5: Solve for x
x = 36,482,939,776.10/275,351.68 - Step 6: Final answer
x = 132,495.80
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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.