Finding the Fourth Proportional to 186,251.20, 257,018.68 and 101,368.08
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Solution
The fourth proportional to 186,251.20, 257,018.68 and 101,368.08 is: 139,883.61
Step by Step Solution
- Step 1: Write the proportion equation
186,251.20 : 257,018.68 = 101,368.08 : x - Step 2: Convert to fraction form
186,251.20/257,018.68 = 101,368.08/x - Step 3: Cross multiply
186,251.20x = 257,018.68 × 101,368.08 - Step 4: Simplify right side
186,251.20x = 26,053,490,115.73 - Step 5: Solve for x
x = 26,053,490,115.73/186,251.20 - Step 6: Final answer
x = 139,883.61
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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.