Finding the Fourth Proportional to 415,718.48, 573,847.51 and 272,487.75
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Solution
The fourth proportional to 415,718.48, 573,847.51 and 272,487.75 is: 376,135.35
Step by Step Solution
- Step 1: Write the proportion equation
415,718.48 : 573,847.51 = 272,487.75 : x - Step 2: Convert to fraction form
415,718.48/573,847.51 = 272,487.75/x - Step 3: Cross multiply
415,718.48x = 573,847.51 × 272,487.75 - Step 4: Simplify right side
415,718.48x = 156,366,416,843.00 - Step 5: Solve for x
x = 156,366,416,843.00/415,718.48 - Step 6: Final answer
x = 376,135.35
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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.