Finding the Fourth Proportional to 185,107.20, 277,657.56 and 72,799.08
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Solution
The fourth proportional to 185,107.20, 277,657.56 and 72,799.08 is: 109,197.35
Step by Step Solution
- Step 1: Write the proportion equation
185,107.20 : 277,657.56 = 72,799.08 : x - Step 2: Convert to fraction form
185,107.20/277,657.56 = 72,799.08/x - Step 3: Cross multiply
185,107.20x = 277,657.56 × 72,799.08 - Step 4: Simplify right side
185,107.20x = 20,213,214,923.04 - Step 5: Solve for x
x = 20,213,214,923.04/185,107.20 - Step 6: Final answer
x = 109,197.35
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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.