Finding the Fourth Proportional to 185,108.94, 255,320.42 and 113,517.49
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Solution
The fourth proportional to 185,108.94, 255,320.42 and 113,517.49 is: 156,574.46
Step by Step Solution
- Step 1: Write the proportion equation
185,108.94 : 255,320.42 = 113,517.49 : x - Step 2: Convert to fraction form
185,108.94/255,320.42 = 113,517.49/x - Step 3: Cross multiply
185,108.94x = 255,320.42 × 113,517.49 - Step 4: Simplify right side
185,108.94x = 28,983,333,224.15 - Step 5: Solve for x
x = 28,983,333,224.15/185,108.94 - Step 6: Final answer
x = 156,574.46
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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.