Finding the Fourth Proportional to 160,299.65, 239,265.62 and 141,388.99
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Solution
The fourth proportional to 160,299.65, 239,265.62 and 141,388.99 is: 211,039.29
Step by Step Solution
- Step 1: Write the proportion equation
160,299.65 : 239,265.62 = 141,388.99 : x - Step 2: Convert to fraction form
160,299.65/239,265.62 = 141,388.99/x - Step 3: Cross multiply
160,299.65x = 239,265.62 × 141,388.99 - Step 4: Simplify right side
160,299.65x = 33,829,524,108.83 - Step 5: Solve for x
x = 33,829,524,108.83/160,299.65 - Step 6: Final answer
x = 211,039.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.