Finding the Fourth Proportional to 228,854.88, 343,143.36 and 102,471.12
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Solution
The fourth proportional to 228,854.88, 343,143.36 and 102,471.12 is: 153,644.46
Step by Step Solution
- Step 1: Write the proportion equation
228,854.88 : 343,143.36 = 102,471.12 : x - Step 2: Convert to fraction form
228,854.88/343,143.36 = 102,471.12/x - Step 3: Cross multiply
228,854.88x = 343,143.36 × 102,471.12 - Step 4: Simplify right side
228,854.88x = 35,162,284,419.76 - Step 5: Solve for x
x = 35,162,284,419.76/228,854.88 - Step 6: Final answer
x = 153,644.46
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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.