Finding the Fourth Proportional to 416,663.64, 625,024.80 and 206,245.08
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Solution
The fourth proportional to 416,663.64, 625,024.80 and 206,245.08 is: 309,382.14
Step by Step Solution
- Step 1: Write the proportion equation
416,663.64 : 625,024.80 = 206,245.08 : x - Step 2: Convert to fraction form
416,663.64/625,024.80 = 206,245.08/x - Step 3: Cross multiply
416,663.64x = 625,024.80 × 206,245.08 - Step 4: Simplify right side
416,663.64x = 128,908,289,877.98 - Step 5: Solve for x
x = 128,908,289,877.98/416,663.64 - Step 6: Final answer
x = 309,382.14
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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.