Finding the Fourth Proportional to 186,904.80, 257,919.62 and 106,324.74
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Solution
The fourth proportional to 186,904.80, 257,919.62 and 106,324.74 is: 146,723.02
Step by Step Solution
- Step 1: Write the proportion equation
186,904.80 : 257,919.62 = 106,324.74 : x - Step 2: Convert to fraction form
186,904.80/257,919.62 = 106,324.74/x - Step 3: Cross multiply
186,904.80x = 257,919.62 × 106,324.74 - Step 4: Simplify right side
186,904.80x = 27,423,236,005.78 - Step 5: Solve for x
x = 27,423,236,005.78/186,904.80 - Step 6: Final answer
x = 146,723.02
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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.