Finding the Fourth Proportional to 317,008.84, 437,612.88 and 202,437.58
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Solution
The fourth proportional to 317,008.84, 437,612.88 and 202,437.58 is: 279,453.70
Step by Step Solution
- Step 1: Write the proportion equation
317,008.84 : 437,612.88 = 202,437.58 : x - Step 2: Convert to fraction form
317,008.84/437,612.88 = 202,437.58/x - Step 3: Cross multiply
317,008.84x = 437,612.88 × 202,437.58 - Step 4: Simplify right side
317,008.84x = 88,589,292,404.03 - Step 5: Solve for x
x = 88,589,292,404.03/317,008.84 - Step 6: Final answer
x = 279,453.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.