Finding the Fourth Proportional to 216,701.91, 299,057.40 and 119,904.06
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Solution
The fourth proportional to 216,701.91, 299,057.40 and 119,904.06 is: 165,472.45
Step by Step Solution
- Step 1: Write the proportion equation
216,701.91 : 299,057.40 = 119,904.06 : x - Step 2: Convert to fraction form
216,701.91/299,057.40 = 119,904.06/x - Step 3: Cross multiply
216,701.91x = 299,057.40 × 119,904.06 - Step 4: Simplify right side
216,701.91x = 35,858,196,433.04 - Step 5: Solve for x
x = 35,858,196,433.04/216,701.91 - Step 6: Final answer
x = 165,472.45
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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.