Finding the Fourth Proportional to 174,282.20, 260,767.20 and 115,233.20
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Solution
The fourth proportional to 174,282.20, 260,767.20 and 115,233.20 is: 172,415.99
Step by Step Solution
- Step 1: Write the proportion equation
174,282.20 : 260,767.20 = 115,233.20 : x - Step 2: Convert to fraction form
174,282.20/260,767.20 = 115,233.20/x - Step 3: Cross multiply
174,282.20x = 260,767.20 × 115,233.20 - Step 4: Simplify right side
174,282.20x = 30,049,038,911.04 - Step 5: Solve for x
x = 30,049,038,911.04/174,282.20 - Step 6: Final answer
x = 172,415.99
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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.