Finding the Fourth Proportional to 317,292.30, 437,742.63 and 202,575.30
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Solution
The fourth proportional to 317,292.30, 437,742.63 and 202,575.30 is: 279,476.82
Step by Step Solution
- Step 1: Write the proportion equation
317,292.30 : 437,742.63 = 202,575.30 : x - Step 2: Convert to fraction form
317,292.30/437,742.63 = 202,575.30/x - Step 3: Cross multiply
317,292.30x = 437,742.63 × 202,575.30 - Step 4: Simplify right side
317,292.30x = 88,675,844,595.04 - Step 5: Solve for x
x = 88,675,844,595.04/317,292.30 - Step 6: Final answer
x = 279,476.82
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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.