Finding the Fourth Proportional to 415,686.45, 623,713.28 and 202,336.05
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Solution
The fourth proportional to 415,686.45, 623,713.28 and 202,336.05 is: 303,593.44
Step by Step Solution
- Step 1: Write the proportion equation
415,686.45 : 623,713.28 = 202,336.05 : x - Step 2: Convert to fraction form
415,686.45/623,713.28 = 202,336.05/x - Step 3: Cross multiply
415,686.45x = 623,713.28 × 202,336.05 - Step 4: Simplify right side
415,686.45x = 126,199,680,396.06 - Step 5: Solve for x
x = 126,199,680,396.06/415,686.45 - Step 6: Final answer
x = 303,593.44
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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.