Finding the Fourth Proportional to 186,904.05, 257,918.58 and 106,323.99
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Solution
The fourth proportional to 186,904.05, 257,918.58 and 106,323.99 is: 146,721.98
Step by Step Solution
- Step 1: Write the proportion equation
186,904.05 : 257,918.58 = 106,323.99 : x - Step 2: Convert to fraction form
186,904.05/257,918.58 = 106,323.99/x - Step 3: Cross multiply
186,904.05x = 257,918.58 × 106,323.99 - Step 4: Simplify right side
186,904.05x = 27,422,932,520.73 - Step 5: Solve for x
x = 27,422,932,520.73/186,904.05 - Step 6: Final answer
x = 146,721.98
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1.5x scale
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.