Finding the Fourth Proportional to 226,423.60, 312,472.05 and 124,452.70
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Solution
The fourth proportional to 226,423.60, 312,472.05 and 124,452.70 is: 171,748.84
Step by Step Solution
- Step 1: Write the proportion equation
226,423.60 : 312,472.05 = 124,452.70 : x - Step 2: Convert to fraction form
226,423.60/312,472.05 = 124,452.70/x - Step 3: Cross multiply
226,423.60x = 312,472.05 × 124,452.70 - Step 4: Simplify right side
226,423.60x = 38,887,990,297.04 - Step 5: Solve for x
x = 38,887,990,297.04/226,423.60 - Step 6: Final answer
x = 171,748.84
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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.