Finding the Fourth Proportional to 171,486.43, 236,555.92 and 135,053.66
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Solution
The fourth proportional to 171,486.43, 236,555.92 and 135,053.66 is: 186,298.95
Step by Step Solution
- Step 1: Write the proportion equation
171,486.43 : 236,555.92 = 135,053.66 : x - Step 2: Convert to fraction form
171,486.43/236,555.92 = 135,053.66/x - Step 3: Cross multiply
171,486.43x = 236,555.92 × 135,053.66 - Step 4: Simplify right side
171,486.43x = 31,947,742,137.23 - Step 5: Solve for x
x = 31,947,742,137.23/171,486.43 - Step 6: Final answer
x = 186,298.95
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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.