Finding the Fourth Proportional to 498,017.77, 687,195.19 and 283,134.08
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Solution
The fourth proportional to 498,017.77, 687,195.19 and 283,134.08 is: 390,685.62
Step by Step Solution
- Step 1: Write the proportion equation
498,017.77 : 687,195.19 = 283,134.08 : x - Step 2: Convert to fraction form
498,017.77/687,195.19 = 283,134.08/x - Step 3: Cross multiply
498,017.77x = 687,195.19 × 283,134.08 - Step 4: Simplify right side
498,017.77x = 194,568,379,972.98 - Step 5: Solve for x
x = 194,568,379,972.98/498,017.77 - Step 6: Final answer
x = 390,685.62
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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.