Finding the Fourth Proportional to 185,305.12, 277,957.76 and 74,497.12
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Solution
The fourth proportional to 185,305.12, 277,957.76 and 74,497.12 is: 111,745.71
Step by Step Solution
- Step 1: Write the proportion equation
185,305.12 : 277,957.76 = 74,497.12 : x - Step 2: Convert to fraction form
185,305.12/277,957.76 = 74,497.12/x - Step 3: Cross multiply
185,305.12x = 277,957.76 × 74,497.12 - Step 4: Simplify right side
185,305.12x = 20,707,052,601.65 - Step 5: Solve for x
x = 20,707,052,601.65/185,305.12 - Step 6: Final answer
x = 111,745.71
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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.