Finding the Fourth Proportional to 157,414.90, 236,122.35 and 101,427.70
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Solution
The fourth proportional to 157,414.90, 236,122.35 and 101,427.70 is: 152,141.55
Step by Step Solution
- Step 1: Write the proportion equation
157,414.90 : 236,122.35 = 101,427.70 : x - Step 2: Convert to fraction form
157,414.90/236,122.35 = 101,427.70/x - Step 3: Cross multiply
157,414.90x = 236,122.35 × 101,427.70 - Step 4: Simplify right side
157,414.90x = 23,949,346,879.10 - Step 5: Solve for x
x = 23,949,346,879.10/157,414.90 - Step 6: Final answer
x = 152,141.55
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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.