Finding the Fourth Proportional to 216,727.13, 299,115.17 and 124,828.75
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Solution
The fourth proportional to 216,727.13, 299,115.17 and 124,828.75 is: 172,281.95
Step by Step Solution
- Step 1: Write the proportion equation
216,727.13 : 299,115.17 = 124,828.75 : x - Step 2: Convert to fraction form
216,727.13/299,115.17 = 124,828.75/x - Step 3: Cross multiply
216,727.13x = 299,115.17 × 124,828.75 - Step 4: Simplify right side
216,727.13x = 37,338,172,777.14 - Step 5: Solve for x
x = 37,338,172,777.14/216,727.13 - Step 6: Final answer
x = 172,281.95
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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.