Finding the Fourth Proportional to 190,767.99, 286,203.84 and 66,118.71
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Solution
The fourth proportional to 190,767.99, 286,203.84 and 66,118.71 is: 99,196.04
Step by Step Solution
- Step 1: Write the proportion equation
190,767.99 : 286,203.84 = 66,118.71 : x - Step 2: Convert to fraction form
190,767.99/286,203.84 = 66,118.71/x - Step 3: Cross multiply
190,767.99x = 286,203.84 × 66,118.71 - Step 4: Simplify right side
190,767.99x = 18,923,428,697.85 - Step 5: Solve for x
x = 18,923,428,697.85/190,767.99 - Step 6: Final answer
x = 99,196.04
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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.