Finding the Fourth Proportional to 186,604.65, 257,518.14 and 101,721.63
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Solution
The fourth proportional to 186,604.65, 257,518.14 and 101,721.63 is: 140,377.88
Step by Step Solution
- Step 1: Write the proportion equation
186,604.65 : 257,518.14 = 101,721.63 : x - Step 2: Convert to fraction form
186,604.65/257,518.14 = 101,721.63/x - Step 3: Cross multiply
186,604.65x = 257,518.14 × 101,721.63 - Step 4: Simplify right side
186,604.65x = 26,195,164,955.37 - Step 5: Solve for x
x = 26,195,164,955.37/186,604.65 - Step 6: Final answer
x = 140,377.88
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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.