Finding the Fourth Proportional to 161,822.24, 242,816.55 and 124,113.75
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Solution
The fourth proportional to 161,822.24, 242,816.55 and 124,113.75 is: 186,234.43
Step by Step Solution
- Step 1: Write the proportion equation
161,822.24 : 242,816.55 = 124,113.75 : x - Step 2: Convert to fraction form
161,822.24/242,816.55 = 124,113.75/x - Step 3: Cross multiply
161,822.24x = 242,816.55 × 124,113.75 - Step 4: Simplify right side
161,822.24x = 30,136,872,582.56 - Step 5: Solve for x
x = 30,136,872,582.56/161,822.24 - Step 6: Final answer
x = 186,234.43
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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.