Finding the Fourth Proportional to 254,253.62, 381,442.08 and 76,750.02
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Solution
The fourth proportional to 254,253.62, 381,442.08 and 76,750.02 is: 115,143.64
Step by Step Solution
- Step 1: Write the proportion equation
254,253.62 : 381,442.08 = 76,750.02 : x - Step 2: Convert to fraction form
254,253.62/381,442.08 = 76,750.02/x - Step 3: Cross multiply
254,253.62x = 381,442.08 × 76,750.02 - Step 4: Simplify right side
254,253.62x = 29,275,687,268.84 - Step 5: Solve for x
x = 29,275,687,268.84/254,253.62 - Step 6: Final answer
x = 115,143.64
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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.