Finding the Fourth Proportional to 186,285.30, 279,271.22 and 81,024.99
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Solution
The fourth proportional to 186,285.30, 279,271.22 and 81,024.99 is: 121,469.31
Step by Step Solution
- Step 1: Write the proportion equation
186,285.30 : 279,271.22 = 81,024.99 : x - Step 2: Convert to fraction form
186,285.30/279,271.22 = 81,024.99/x - Step 3: Cross multiply
186,285.30x = 279,271.22 × 81,024.99 - Step 4: Simplify right side
186,285.30x = 22,627,947,402.66 - Step 5: Solve for x
x = 22,627,947,402.66/186,285.30 - Step 6: Final answer
x = 121,469.31
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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.