Finding the Fourth Proportional to 186,648.13, 257,574.68 and 101,765.19
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Solution
The fourth proportional to 186,648.13, 257,574.68 and 101,765.19 is: 140,436.11
Step by Step Solution
- Step 1: Write the proportion equation
186,648.13 : 257,574.68 = 101,765.19 : x - Step 2: Convert to fraction form
186,648.13/257,574.68 = 101,765.19/x - Step 3: Cross multiply
186,648.13x = 257,574.68 × 101,765.19 - Step 4: Simplify right side
186,648.13x = 26,212,137,088.09 - Step 5: Solve for x
x = 26,212,137,088.09/186,648.13 - Step 6: Final answer
x = 140,436.11
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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.