Finding the Fourth Proportional to 621,853.28, 932,809.08 and 201,161.96
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Solution
The fourth proportional to 621,853.28, 932,809.08 and 201,161.96 is: 301,752.37
Step by Step Solution
- Step 1: Write the proportion equation
621,853.28 : 932,809.08 = 201,161.96 : x - Step 2: Convert to fraction form
621,853.28/932,809.08 = 201,161.96/x - Step 3: Cross multiply
621,853.28x = 932,809.08 × 201,161.96 - Step 4: Simplify right side
621,853.28x = 187,645,702,838.60 - Step 5: Solve for x
x = 187,645,702,838.60/621,853.28 - Step 6: Final answer
x = 301,752.37
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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.