Finding the Fourth Proportional to 317,725.06, 438,350.95 and 203,070.82
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Solution
The fourth proportional to 317,725.06, 438,350.95 and 203,070.82 is: 280,167.66
Step by Step Solution
- Step 1: Write the proportion equation
317,725.06 : 438,350.95 = 203,070.82 : x - Step 2: Convert to fraction form
317,725.06/438,350.95 = 203,070.82/x - Step 3: Cross multiply
317,725.06x = 438,350.95 × 203,070.82 - Step 4: Simplify right side
317,725.06x = 89,016,286,864.28 - Step 5: Solve for x
x = 89,016,286,864.28/317,725.06 - Step 6: Final answer
x = 280,167.66
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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.