Finding the Fourth Proportional to 181,859.80, 272,614.72 and 93,155.08
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Solution
The fourth proportional to 181,859.80, 272,614.72 and 93,155.08 is: 139,642.99
Step by Step Solution
- Step 1: Write the proportion equation
181,859.80 : 272,614.72 = 93,155.08 : x - Step 2: Convert to fraction form
181,859.80/272,614.72 = 93,155.08/x - Step 3: Cross multiply
181,859.80x = 272,614.72 × 93,155.08 - Step 4: Simplify right side
181,859.80x = 25,395,446,050.78 - Step 5: Solve for x
x = 25,395,446,050.78/181,859.80 - Step 6: Final answer
x = 139,642.99
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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.