Finding the Fourth Proportional to 155,206.44, 232,614.88 and 66,355.51
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Solution
The fourth proportional to 155,206.44, 232,614.88 and 66,355.51 is: 99,449.99
Step by Step Solution
- Step 1: Write the proportion equation
155,206.44 : 232,614.88 = 66,355.51 : x - Step 2: Convert to fraction form
155,206.44/232,614.88 = 66,355.51/x - Step 3: Cross multiply
155,206.44x = 232,614.88 × 66,355.51 - Step 4: Simplify right side
155,206.44x = 15,435,278,995.99 - Step 5: Solve for x
x = 15,435,278,995.99/155,206.44 - Step 6: Final answer
x = 99,449.99
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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.