Finding the Fourth Proportional to 168,803.20, 232,947.84 and 93,350.08
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Solution
The fourth proportional to 168,803.20, 232,947.84 and 93,350.08 is: 128,822.79
Step by Step Solution
- Step 1: Write the proportion equation
168,803.20 : 232,947.84 = 93,350.08 : x - Step 2: Convert to fraction form
168,803.20/232,947.84 = 93,350.08/x - Step 3: Cross multiply
168,803.20x = 232,947.84 × 93,350.08 - Step 4: Simplify right side
168,803.20x = 21,745,699,499.83 - Step 5: Solve for x
x = 21,745,699,499.83/168,803.20 - Step 6: Final answer
x = 128,822.79
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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.