Finding the Fourth Proportional to 405,853.08, 559,950.30 and 244,757.40
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Solution
The fourth proportional to 405,853.08, 559,950.30 and 244,757.40 is: 337,688.65
Step by Step Solution
- Step 1: Write the proportion equation
405,853.08 : 559,950.30 = 244,757.40 : x - Step 2: Convert to fraction form
405,853.08/559,950.30 = 244,757.40/x - Step 3: Cross multiply
405,853.08x = 559,950.30 × 244,757.40 - Step 4: Simplify right side
405,853.08x = 137,051,979,557.22 - Step 5: Solve for x
x = 137,051,979,557.22/405,853.08 - Step 6: Final answer
x = 337,688.65
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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.