Finding the Fourth Proportional to 114,547.44, 171,779.97 and 39,647.28
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Solution
The fourth proportional to 114,547.44, 171,779.97 and 39,647.28 is: 59,456.66
Step by Step Solution
- Step 1: Write the proportion equation
114,547.44 : 171,779.97 = 39,647.28 : x - Step 2: Convert to fraction form
114,547.44/171,779.97 = 39,647.28/x - Step 3: Cross multiply
114,547.44x = 171,779.97 × 39,647.28 - Step 4: Simplify right side
114,547.44x = 6,810,608,568.98 - Step 5: Solve for x
x = 6,810,608,568.98/114,547.44 - Step 6: Final answer
x = 59,456.66
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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.