Finding the Fourth Proportional to 259,708.50, 358,419.60 and 146,553.12
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Solution
The fourth proportional to 259,708.50, 358,419.60 and 146,553.12 is: 202,255.65
Step by Step Solution
- Step 1: Write the proportion equation
259,708.50 : 358,419.60 = 146,553.12 : x - Step 2: Convert to fraction form
259,708.50/358,419.60 = 146,553.12/x - Step 3: Cross multiply
259,708.50x = 358,419.60 × 146,553.12 - Step 4: Simplify right side
259,708.50x = 52,527,510,649.15 - Step 5: Solve for x
x = 52,527,510,649.15/259,708.50 - Step 6: Final answer
x = 202,255.65
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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.