Finding the Fourth Proportional to 161,994.30, 242,918.55 and 62,121.30
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Solution
The fourth proportional to 161,994.30, 242,918.55 and 62,121.30 is: 93,153.99
Step by Step Solution
- Step 1: Write the proportion equation
161,994.30 : 242,918.55 = 62,121.30 : x - Step 2: Convert to fraction form
161,994.30/242,918.55 = 62,121.30/x - Step 3: Cross multiply
161,994.30x = 242,918.55 × 62,121.30 - Step 4: Simplify right side
161,994.30x = 15,090,416,120.12 - Step 5: Solve for x
x = 15,090,416,120.12/161,994.30 - Step 6: Final answer
x = 93,153.99
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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.