Finding the Fourth Proportional to 151,938.04, 227,751.52 and 76,919.08
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Solution
The fourth proportional to 151,938.04, 227,751.52 and 76,919.08 is: 115,299.88
Step by Step Solution
- Step 1: Write the proportion equation
151,938.04 : 227,751.52 = 76,919.08 : x - Step 2: Convert to fraction form
151,938.04/227,751.52 = 76,919.08/x - Step 3: Cross multiply
151,938.04x = 227,751.52 × 76,919.08 - Step 4: Simplify right side
151,938.04x = 17,518,437,387.00 - Step 5: Solve for x
x = 17,518,437,387.00/151,938.04 - Step 6: Final answer
x = 115,299.88
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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.