Finding the Fourth Proportional to 216,694.71, 299,047.51 and 119,896.99
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Solution
The fourth proportional to 216,694.71, 299,047.51 and 119,896.99 is: 165,462.72
Step by Step Solution
- Step 1: Write the proportion equation
216,694.71 : 299,047.51 = 119,896.99 : x - Step 2: Convert to fraction form
216,694.71/299,047.51 = 119,896.99/x - Step 3: Cross multiply
216,694.71x = 299,047.51 × 119,896.99 - Step 4: Simplify right side
216,694.71x = 35,854,896,315.99 - Step 5: Solve for x
x = 35,854,896,315.99/216,694.71 - Step 6: Final answer
x = 165,462.72
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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.