Finding the Fourth Proportional to 159,505.31, 239,292.99 and 47,176.77
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Solution
The fourth proportional to 159,505.31, 239,292.99 and 47,176.77 is: 70,775.52
Step by Step Solution
- Step 1: Write the proportion equation
159,505.31 : 239,292.99 = 47,176.77 : x - Step 2: Convert to fraction form
159,505.31/239,292.99 = 47,176.77/x - Step 3: Cross multiply
159,505.31x = 239,292.99 × 47,176.77 - Step 4: Simplify right side
159,505.31x = 11,289,070,351.84 - Step 5: Solve for x
x = 11,289,070,351.84/159,505.31 - Step 6: Final answer
x = 70,775.52
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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.