Finding the Fourth Proportional to 147,170.05, 203,095.07 and 83,507.68
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Solution
The fourth proportional to 147,170.05, 203,095.07 and 83,507.68 is: 115,240.83
Step by Step Solution
- Step 1: Write the proportion equation
147,170.05 : 203,095.07 = 83,507.68 : x - Step 2: Convert to fraction form
147,170.05/203,095.07 = 83,507.68/x - Step 3: Cross multiply
147,170.05x = 203,095.07 × 83,507.68 - Step 4: Simplify right side
147,170.05x = 16,959,998,115.14 - Step 5: Solve for x
x = 16,959,998,115.14/147,170.05 - Step 6: Final answer
x = 115,240.83
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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.