Finding the Fourth Proportional to 124,435.26, 186,534.66 and 79,330.02
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Solution
The fourth proportional to 124,435.26, 186,534.66 and 79,330.02 is: 118,919.66
Step by Step Solution
- Step 1: Write the proportion equation
124,435.26 : 186,534.66 = 79,330.02 : x - Step 2: Convert to fraction form
124,435.26/186,534.66 = 79,330.02/x - Step 3: Cross multiply
124,435.26x = 186,534.66 × 79,330.02 - Step 4: Simplify right side
124,435.26x = 14,797,798,308.49 - Step 5: Solve for x
x = 14,797,798,308.49/124,435.26 - Step 6: Final answer
x = 118,919.66
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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.