Finding the Fourth Proportional to 415,825.74, 573,838.68 and 234,537.12
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Solution
The fourth proportional to 415,825.74, 573,838.68 and 234,537.12 is: 323,660.75
Step by Step Solution
- Step 1: Write the proportion equation
415,825.74 : 573,838.68 = 234,537.12 : x - Step 2: Convert to fraction form
415,825.74/573,838.68 = 234,537.12/x - Step 3: Cross multiply
415,825.74x = 573,838.68 × 234,537.12 - Step 4: Simplify right side
415,825.74x = 134,586,471,351.80 - Step 5: Solve for x
x = 134,586,471,351.80/415,825.74 - Step 6: Final answer
x = 323,660.75
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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.