Finding the Fourth Proportional to 171,407.13, 236,541.83 and 104,339.13
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Solution
The fourth proportional to 171,407.13, 236,541.83 and 104,339.13 is: 143,987.99
Step by Step Solution
- Step 1: Write the proportion equation
171,407.13 : 236,541.83 = 104,339.13 : x - Step 2: Convert to fraction form
171,407.13/236,541.83 = 104,339.13/x - Step 3: Cross multiply
171,407.13x = 236,541.83 × 104,339.13 - Step 4: Simplify right side
171,407.13x = 24,680,568,750.81 - Step 5: Solve for x
x = 24,680,568,750.81/171,407.13 - Step 6: Final answer
x = 143,987.99
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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.