Finding the Fourth Proportional to 679,228.96, 1,018,589.08 and 199,357.96
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Solution
The fourth proportional to 679,228.96, 1,018,589.08 and 199,357.96 is: 298,962.28
Step by Step Solution
- Step 1: Write the proportion equation
679,228.96 : 1,018,589.08 = 199,357.96 : x - Step 2: Convert to fraction form
679,228.96/1,018,589.08 = 199,357.96/x - Step 3: Cross multiply
679,228.96x = 1,018,589.08 × 199,357.96 - Step 4: Simplify right side
679,228.96x = 203,063,841,067.08 - Step 5: Solve for x
x = 203,063,841,067.08/679,228.96 - Step 6: Final answer
x = 298,962.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.