Finding the Fourth Proportional to 287,520.36, 396,390.96 and 201,363.36
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Solution
The fourth proportional to 287,520.36, 396,390.96 and 201,363.36 is: 277,610.31
Step by Step Solution
- Step 1: Write the proportion equation
287,520.36 : 396,390.96 = 201,363.36 : x - Step 2: Convert to fraction form
287,520.36/396,390.96 = 201,363.36/x - Step 3: Cross multiply
287,520.36x = 396,390.96 × 201,363.36 - Step 4: Simplify right side
287,520.36x = 79,818,615,579.23 - Step 5: Solve for x
x = 79,818,615,579.23/287,520.36 - Step 6: Final answer
x = 277,610.31
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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.