Finding the Fourth Proportional to 186,336.13, 279,464.94 and 59,987.65
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Solution
The fourth proportional to 186,336.13, 279,464.94 and 59,987.65 is: 89,968.84
Step by Step Solution
- Step 1: Write the proportion equation
186,336.13 : 279,464.94 = 59,987.65 : x - Step 2: Convert to fraction form
186,336.13/279,464.94 = 59,987.65/x - Step 3: Cross multiply
186,336.13x = 279,464.94 × 59,987.65 - Step 4: Simplify right side
186,336.13x = 16,764,445,007.99 - Step 5: Solve for x
x = 16,764,445,007.99/186,336.13 - Step 6: Final answer
x = 89,968.84
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1.5x scale
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.