Finding the Fourth Proportional to 235,500.36, 324,988.92 and 128,070.13
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Solution
The fourth proportional to 235,500.36, 324,988.92 and 128,070.13 is: 176,735.92
Step by Step Solution
- Step 1: Write the proportion equation
235,500.36 : 324,988.92 = 128,070.13 : x - Step 2: Convert to fraction form
235,500.36/324,988.92 = 128,070.13/x - Step 3: Cross multiply
235,500.36x = 324,988.92 × 128,070.13 - Step 4: Simplify right side
235,500.36x = 41,621,373,232.96 - Step 5: Solve for x
x = 41,621,373,232.96/235,500.36 - Step 6: Final answer
x = 176,735.92
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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.