Finding the Fourth Proportional to 146,677.97, 202,408.58 and 90,078.41
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Solution
The fourth proportional to 146,677.97, 202,408.58 and 90,078.41 is: 124,303.90
Step by Step Solution
- Step 1: Write the proportion equation
146,677.97 : 202,408.58 = 90,078.41 : x - Step 2: Convert to fraction form
146,677.97/202,408.58 = 90,078.41/x - Step 3: Cross multiply
146,677.97x = 202,408.58 × 90,078.41 - Step 4: Simplify right side
146,677.97x = 18,232,643,787.98 - Step 5: Solve for x
x = 18,232,643,787.98/146,677.97 - Step 6: Final answer
x = 124,303.90
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1.5x scale
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.