Finding the Fourth Proportional to 159,509.68, 239,264.49 and 47,181.13
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Solution
The fourth proportional to 159,509.68, 239,264.49 and 47,181.13 is: 70,771.69
Step by Step Solution
- Step 1: Write the proportion equation
159,509.68 : 239,264.49 = 47,181.13 : x - Step 2: Convert to fraction form
159,509.68/239,264.49 = 47,181.13/x - Step 3: Cross multiply
159,509.68x = 239,264.49 × 47,181.13 - Step 4: Simplify right side
159,509.68x = 11,288,769,007.07 - Step 5: Solve for x
x = 11,288,769,007.07/159,509.68 - Step 6: Final answer
x = 70,771.69
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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.