Finding the Fourth Proportional to 155,812.48, 233,643.84 and 80,856.96
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Solution
The fourth proportional to 155,812.48, 233,643.84 and 80,856.96 is: 121,246.58
Step by Step Solution
- Step 1: Write the proportion equation
155,812.48 : 233,643.84 = 80,856.96 : x - Step 2: Convert to fraction form
155,812.48/233,643.84 = 80,856.96/x - Step 3: Cross multiply
155,812.48x = 233,643.84 × 80,856.96 - Step 4: Simplify right side
155,812.48x = 18,891,730,625.13 - Step 5: Solve for x
x = 18,891,730,625.13/155,812.48 - Step 6: Final answer
x = 121,246.58
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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.