Finding the Fourth Proportional to 175,369.23, 241,678.84 and 126,889.07
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Solution
The fourth proportional to 175,369.23, 241,678.84 and 126,889.07 is: 174,867.64
Step by Step Solution
- Step 1: Write the proportion equation
175,369.23 : 241,678.84 = 126,889.07 : x - Step 2: Convert to fraction form
175,369.23/241,678.84 = 126,889.07/x - Step 3: Cross multiply
175,369.23x = 241,678.84 × 126,889.07 - Step 4: Simplify right side
175,369.23x = 30,666,403,246.28 - Step 5: Solve for x
x = 30,666,403,246.28/175,369.23 - Step 6: Final answer
x = 174,867.64
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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.