Finding the Fourth Proportional to 155,260.47, 232,724.58 and 80,305.14
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Solution
The fourth proportional to 155,260.47, 232,724.58 and 80,305.14 is: 120,371.79
Step by Step Solution
- Step 1: Write the proportion equation
155,260.47 : 232,724.58 = 80,305.14 : x - Step 2: Convert to fraction form
155,260.47/232,724.58 = 80,305.14/x - Step 3: Cross multiply
155,260.47x = 232,724.58 × 80,305.14 - Step 4: Simplify right side
155,260.47x = 18,688,979,978.34 - Step 5: Solve for x
x = 18,688,979,978.34/155,260.47 - Step 6: Final answer
x = 120,371.79
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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.