Finding the Fourth Proportional to 226,690.70, 340,649.85 and 121,585.10
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Solution
The fourth proportional to 226,690.70, 340,649.85 and 121,585.10 is: 182,706.86
Step by Step Solution
- Step 1: Write the proportion equation
226,690.70 : 340,649.85 = 121,585.10 : x - Step 2: Convert to fraction form
226,690.70/340,649.85 = 121,585.10/x - Step 3: Cross multiply
226,690.70x = 340,649.85 × 121,585.10 - Step 4: Simplify right side
226,690.70x = 41,417,946,077.24 - Step 5: Solve for x
x = 41,417,946,077.24/226,690.70 - Step 6: Final answer
x = 182,706.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.