Finding the Fourth Proportional to 186,831.17, 257,825.52 and 106,258.58
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Solution
The fourth proportional to 186,831.17, 257,825.52 and 106,258.58 is: 146,635.99
Step by Step Solution
- Step 1: Write the proportion equation
186,831.17 : 257,825.52 = 106,258.58 : x - Step 2: Convert to fraction form
186,831.17/257,825.52 = 106,258.58/x - Step 3: Cross multiply
186,831.17x = 257,825.52 × 106,258.58 - Step 4: Simplify right side
186,831.17x = 27,396,172,353.83 - Step 5: Solve for x
x = 27,396,172,353.83/186,831.17 - Step 6: Final answer
x = 146,635.99
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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.