Finding the Fourth Proportional to 168,490.87, 232,515.97 and 93,037.75
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Solution
The fourth proportional to 168,490.87, 232,515.97 and 93,037.75 is: 128,391.31
Step by Step Solution
- Step 1: Write the proportion equation
168,490.87 : 232,515.97 = 93,037.75 : x - Step 2: Convert to fraction form
168,490.87/232,515.97 = 93,037.75/x - Step 3: Cross multiply
168,490.87x = 232,515.97 × 93,037.75 - Step 4: Simplify right side
168,490.87x = 21,632,762,687.87 - Step 5: Solve for x
x = 21,632,762,687.87/168,490.87 - Step 6: Final answer
x = 128,391.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.