Finding the Fourth Proportional to 605,691.18, 835,853.90 and 351,189.99
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Solution
The fourth proportional to 605,691.18, 835,853.90 and 351,189.99 is: 484,642.22
Step by Step Solution
- Step 1: Write the proportion equation
605,691.18 : 835,853.90 = 351,189.99 : x - Step 2: Convert to fraction form
605,691.18/835,853.90 = 351,189.99/x - Step 3: Cross multiply
605,691.18x = 835,853.90 × 351,189.99 - Step 4: Simplify right side
605,691.18x = 293,543,521,026.51 - Step 5: Solve for x
x = 293,543,521,026.51/605,691.18 - Step 6: Final answer
x = 484,642.22
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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.