Finding the Fourth Proportional to 186,697.25, 257,632.06 and 106,113.59
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Solution
The fourth proportional to 186,697.25, 257,632.06 and 106,113.59 is: 146,430.99
Step by Step Solution
- Step 1: Write the proportion equation
186,697.25 : 257,632.06 = 106,113.59 : x - Step 2: Convert to fraction form
186,697.25/257,632.06 = 106,113.59/x - Step 3: Cross multiply
186,697.25x = 257,632.06 × 106,113.59 - Step 4: Simplify right side
186,697.25x = 27,338,262,785.70 - Step 5: Solve for x
x = 27,338,262,785.70/186,697.25 - Step 6: Final answer
x = 146,430.99
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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.