Finding the Fourth Proportional to 115,293.74, 171,794.43 and 102,717.13
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Solution
The fourth proportional to 115,293.74, 171,794.43 and 102,717.13 is: 153,054.53
Step by Step Solution
- Step 1: Write the proportion equation
115,293.74 : 171,794.43 = 102,717.13 : x - Step 2: Convert to fraction form
115,293.74/171,794.43 = 102,717.13/x - Step 3: Cross multiply
115,293.74x = 171,794.43 × 102,717.13 - Step 4: Simplify right side
115,293.74x = 17,646,229,984.91 - Step 5: Solve for x
x = 17,646,229,984.91/115,293.74 - Step 6: Final answer
x = 153,054.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.