Finding the Fourth Proportional to 157,494.02, 236,198.91 and 107,565.62
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Solution
The fourth proportional to 157,494.02, 236,198.91 and 107,565.62 is: 161,319.66
Step by Step Solution
- Step 1: Write the proportion equation
157,494.02 : 236,198.91 = 107,565.62 : x - Step 2: Convert to fraction form
157,494.02/236,198.91 = 107,565.62/x - Step 3: Cross multiply
157,494.02x = 236,198.91 × 107,565.62 - Step 4: Simplify right side
157,494.02x = 25,406,882,197.47 - Step 5: Solve for x
x = 25,406,882,197.47/157,494.02 - Step 6: Final answer
x = 161,319.66
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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.