Finding the Fourth Proportional to 622,828.20, 934,472.70 and 202,117.80
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Solution
The fourth proportional to 622,828.20, 934,472.70 and 202,117.80 is: 303,251.47
Step by Step Solution
- Step 1: Write the proportion equation
622,828.20 : 934,472.70 = 202,117.80 : x - Step 2: Convert to fraction form
622,828.20/934,472.70 = 202,117.80/x - Step 3: Cross multiply
622,828.20x = 934,472.70 × 202,117.80 - Step 4: Simplify right side
622,828.20x = 188,873,566,284.06 - Step 5: Solve for x
x = 188,873,566,284.06/622,828.20 - Step 6: Final answer
x = 303,251.47
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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.