Finding the Fourth Proportional to 511,837.92, 706,337.12 and 285,497.92
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Solution
The fourth proportional to 511,837.92, 706,337.12 and 285,497.92 is: 393,987.57
Step by Step Solution
- Step 1: Write the proportion equation
511,837.92 : 706,337.12 = 285,497.92 : x - Step 2: Convert to fraction form
511,837.92/706,337.12 = 285,497.92/x - Step 3: Cross multiply
511,837.92x = 706,337.12 × 285,497.92 - Step 4: Simplify right side
511,837.92x = 201,657,778,578.79 - Step 5: Solve for x
x = 201,657,778,578.79/511,837.92 - Step 6: Final answer
x = 393,987.57
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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.