Finding the Fourth Proportional to 186,639.84, 279,957.33 and 46,399.68
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Solution
The fourth proportional to 186,639.84, 279,957.33 and 46,399.68 is: 69,598.92
Step by Step Solution
- Step 1: Write the proportion equation
186,639.84 : 279,957.33 = 46,399.68 : x - Step 2: Convert to fraction form
186,639.84/279,957.33 = 46,399.68/x - Step 3: Cross multiply
186,639.84x = 279,957.33 × 46,399.68 - Step 4: Simplify right side
186,639.84x = 12,989,930,525.65 - Step 5: Solve for x
x = 12,989,930,525.65/186,639.84 - Step 6: Final answer
x = 69,598.92
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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.