Finding the Fourth Proportional to 159,581.10, 239,371.22 and 47,270.08
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Solution
The fourth proportional to 159,581.10, 239,371.22 and 47,270.08 is: 70,904.99
Step by Step Solution
- Step 1: Write the proportion equation
159,581.10 : 239,371.22 = 47,270.08 : x - Step 2: Convert to fraction form
159,581.10/239,371.22 = 47,270.08/x - Step 3: Cross multiply
159,581.10x = 239,371.22 × 47,270.08 - Step 4: Simplify right side
159,581.10x = 11,315,095,860.75 - Step 5: Solve for x
x = 11,315,095,860.75/159,581.10 - Step 6: Final answer
x = 70,904.99
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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.