Finding the Fourth Proportional to 487,677.42, 672,995.84 and 272,821.08
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Solution
The fourth proportional to 487,677.42, 672,995.84 and 272,821.08 is: 376,493.65
Step by Step Solution
- Step 1: Write the proportion equation
487,677.42 : 672,995.84 = 272,821.08 : x - Step 2: Convert to fraction form
487,677.42/672,995.84 = 272,821.08/x - Step 3: Cross multiply
487,677.42x = 672,995.84 × 272,821.08 - Step 4: Simplify right side
487,677.42x = 183,607,450,540.20 - Step 5: Solve for x
x = 183,607,450,540.20/487,677.42 - Step 6: Final answer
x = 376,493.65
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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.