Finding the Fourth Proportional to 415,589.94, 623,231.82 and 149,278.95
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Solution
The fourth proportional to 415,589.94, 623,231.82 and 149,278.95 is: 223,863.44
Step by Step Solution
- Step 1: Write the proportion equation
415,589.94 : 623,231.82 = 149,278.95 : x - Step 2: Convert to fraction form
415,589.94/623,231.82 = 149,278.95/x - Step 3: Cross multiply
415,589.94x = 623,231.82 × 149,278.95 - Step 4: Simplify right side
415,589.94x = 93,035,391,696.19 - Step 5: Solve for x
x = 93,035,391,696.19/415,589.94 - Step 6: Final answer
x = 223,863.44
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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.