Finding the Fourth Proportional to 487,464.75, 672,695.69 and 272,602.80
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Solution
The fourth proportional to 487,464.75, 672,695.69 and 272,602.80 is: 376,188.69
Step by Step Solution
- Step 1: Write the proportion equation
487,464.75 : 672,695.69 = 272,602.80 : x - Step 2: Convert to fraction form
487,464.75/672,695.69 = 272,602.80/x - Step 3: Cross multiply
487,464.75x = 672,695.69 × 272,602.80 - Step 4: Simplify right side
487,464.75x = 183,378,727,278.92 - Step 5: Solve for x
x = 183,378,727,278.92/487,464.75 - Step 6: Final answer
x = 376,188.69
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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.