Finding the Fourth Proportional to 185,084.06, 255,416.09 and 100,201.19
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Solution
The fourth proportional to 185,084.06, 255,416.09 and 100,201.19 is: 138,277.68
Step by Step Solution
- Step 1: Write the proportion equation
185,084.06 : 255,416.09 = 100,201.19 : x - Step 2: Convert to fraction form
185,084.06/255,416.09 = 100,201.19/x - Step 3: Cross multiply
185,084.06x = 255,416.09 × 100,201.19 - Step 4: Simplify right side
185,084.06x = 25,592,994,385.06 - Step 5: Solve for x
x = 25,592,994,385.06/185,084.06 - Step 6: Final answer
x = 138,277.68
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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.