Finding the Fourth Proportional to 181,884.05, 250,987.09 and 100,208.74
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Solution
The fourth proportional to 181,884.05, 250,987.09 and 100,208.74 is: 138,280.95
Step by Step Solution
- Step 1: Write the proportion equation
181,884.05 : 250,987.09 = 100,208.74 : x - Step 2: Convert to fraction form
181,884.05/250,987.09 = 100,208.74/x - Step 3: Cross multiply
181,884.05x = 250,987.09 × 100,208.74 - Step 4: Simplify right side
181,884.05x = 25,151,098,539.71 - Step 5: Solve for x
x = 25,151,098,539.71/181,884.05 - Step 6: Final answer
x = 138,280.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.