Finding the Fourth Proportional to 103,637.15, 155,482.87 and 32,556.91
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Solution
The fourth proportional to 103,637.15, 155,482.87 and 32,556.91 is: 48,843.89
Step by Step Solution
- Step 1: Write the proportion equation
103,637.15 : 155,482.87 = 32,556.91 : x - Step 2: Convert to fraction form
103,637.15/155,482.87 = 32,556.91/x - Step 3: Cross multiply
103,637.15x = 155,482.87 × 32,556.91 - Step 4: Simplify right side
103,637.15x = 5,062,041,805.13 - Step 5: Solve for x
x = 5,062,041,805.13/103,637.15 - Step 6: Final answer
x = 48,843.89
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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.