Finding the Fourth Proportional to 125,235.24, 187,832.88 and 46,331.52
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Solution
The fourth proportional to 125,235.24, 187,832.88 and 46,331.52 is: 69,489.89
Step by Step Solution
- Step 1: Write the proportion equation
125,235.24 : 187,832.88 = 46,331.52 : x - Step 2: Convert to fraction form
125,235.24/187,832.88 = 46,331.52/x - Step 3: Cross multiply
125,235.24x = 187,832.88 × 46,331.52 - Step 4: Simplify right side
125,235.24x = 8,702,582,836.38 - Step 5: Solve for x
x = 8,702,582,836.38/125,235.24 - Step 6: Final answer
x = 69,489.89
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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.