Finding the Fourth Proportional to 416,128.05, 623,690.15 and 202,575.87
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Solution
The fourth proportional to 416,128.05, 623,690.15 and 202,575.87 is: 303,619.46
Step by Step Solution
- Step 1: Write the proportion equation
416,128.05 : 623,690.15 = 202,575.87 : x - Step 2: Convert to fraction form
416,128.05/623,690.15 = 202,575.87/x - Step 3: Cross multiply
416,128.05x = 623,690.15 × 202,575.87 - Step 4: Simplify right side
416,128.05x = 126,344,573,733.80 - Step 5: Solve for x
x = 126,344,573,733.80/416,128.05 - Step 6: Final answer
x = 303,619.46
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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.