Finding the Fourth Proportional to 114,285.71, 171,439.85 and 39,395.99
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Solution
The fourth proportional to 114,285.71, 171,439.85 and 39,395.99 is: 59,097.88
Step by Step Solution
- Step 1: Write the proportion equation
114,285.71 : 171,439.85 = 39,395.99 : x - Step 2: Convert to fraction form
114,285.71/171,439.85 = 39,395.99/x - Step 3: Cross multiply
114,285.71x = 171,439.85 × 39,395.99 - Step 4: Simplify right side
114,285.71x = 6,754,042,616.20 - Step 5: Solve for x
x = 6,754,042,616.20/114,285.71 - Step 6: Final answer
x = 59,097.88
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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.