Finding the Fourth Proportional to 216,887.07, 299,304.09 and 121,393.74
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Solution
The fourth proportional to 216,887.07, 299,304.09 and 121,393.74 is: 167,523.32
Step by Step Solution
- Step 1: Write the proportion equation
216,887.07 : 299,304.09 = 121,393.74 : x - Step 2: Convert to fraction form
216,887.07/299,304.09 = 121,393.74/x - Step 3: Cross multiply
216,887.07x = 299,304.09 × 121,393.74 - Step 4: Simplify right side
216,887.07x = 36,333,642,882.40 - Step 5: Solve for x
x = 36,333,642,882.40/216,887.07 - Step 6: Final answer
x = 167,523.32
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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.