Finding the Fourth Proportional to 105,532.92, 158,332.50 and 46,418.28
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Solution
The fourth proportional to 105,532.92, 158,332.50 and 46,418.28 is: 69,641.99
Step by Step Solution
- Step 1: Write the proportion equation
105,532.92 : 158,332.50 = 46,418.28 : x - Step 2: Convert to fraction form
105,532.92/158,332.50 = 46,418.28/x - Step 3: Cross multiply
105,532.92x = 158,332.50 × 46,418.28 - Step 4: Simplify right side
105,532.92x = 7,349,522,318.10 - Step 5: Solve for x
x = 7,349,522,318.10/105,532.92 - Step 6: Final answer
x = 69,641.99
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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.