Finding the Fourth Proportional to 172,120.24, 237,498.04 and 107,581.84
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Solution
The fourth proportional to 172,120.24, 237,498.04 and 107,581.84 is: 148,445.51
Step by Step Solution
- Step 1: Write the proportion equation
172,120.24 : 237,498.04 = 107,581.84 : x - Step 2: Convert to fraction form
172,120.24/237,498.04 = 107,581.84/x - Step 3: Cross multiply
172,120.24x = 237,498.04 × 107,581.84 - Step 4: Simplify right side
172,120.24x = 25,550,476,139.59 - Step 5: Solve for x
x = 25,550,476,139.59/172,120.24 - Step 6: Final answer
x = 148,445.51
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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.