Finding the Fourth Proportional to 219,183.84, 302,473.80 and 121,067.28
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Solution
The fourth proportional to 219,183.84, 302,473.80 and 121,067.28 is: 167,072.90
Step by Step Solution
- Step 1: Write the proportion equation
219,183.84 : 302,473.80 = 121,067.28 : x - Step 2: Convert to fraction form
219,183.84/302,473.80 = 121,067.28/x - Step 3: Cross multiply
219,183.84x = 302,473.80 × 121,067.28 - Step 4: Simplify right side
219,183.84x = 36,619,680,237.26 - Step 5: Solve for x
x = 36,619,680,237.26/219,183.84 - Step 6: Final answer
x = 167,072.90
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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.