Finding the Fourth Proportional to 162,450.36, 243,730.86 and 87,577.74
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Solution
The fourth proportional to 162,450.36, 243,730.86 and 87,577.74 is: 131,396.43
Step by Step Solution
- Step 1: Write the proportion equation
162,450.36 : 243,730.86 = 87,577.74 : x - Step 2: Convert to fraction form
162,450.36/243,730.86 = 87,577.74/x - Step 3: Cross multiply
162,450.36x = 243,730.86 × 87,577.74 - Step 4: Simplify right side
162,450.36x = 21,345,397,887.06 - Step 5: Solve for x
x = 21,345,397,887.06/162,450.36 - Step 6: Final answer
x = 131,396.43
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1.5x scale
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.