Finding the Fourth Proportional to 216,736.49, 299,156.45 and 126,109.95
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Solution
The fourth proportional to 216,736.49, 299,156.45 and 126,109.95 is: 174,066.70
Step by Step Solution
- Step 1: Write the proportion equation
216,736.49 : 299,156.45 = 126,109.95 : x - Step 2: Convert to fraction form
216,736.49/299,156.45 = 126,109.95/x - Step 3: Cross multiply
216,736.49x = 299,156.45 × 126,109.95 - Step 4: Simplify right side
216,736.49x = 37,726,604,321.13 - Step 5: Solve for x
x = 37,726,604,321.13/216,736.49 - Step 6: Final answer
x = 174,066.70
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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.