Finding the Fourth Proportional to 161,993.25, 242,792.87 and 114,621.99
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Solution
The fourth proportional to 161,993.25, 242,792.87 and 114,621.99 is: 171,793.58
Step by Step Solution
- Step 1: Write the proportion equation
161,993.25 : 242,792.87 = 114,621.99 : x - Step 2: Convert to fraction form
161,993.25/242,792.87 = 114,621.99/x - Step 3: Cross multiply
161,993.25x = 242,792.87 × 114,621.99 - Step 4: Simplify right side
161,993.25x = 27,829,400,130.14 - Step 5: Solve for x
x = 27,829,400,130.14/161,993.25 - Step 6: Final answer
x = 171,793.58
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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.