Finding the Fourth Proportional to 155,168.70, 232,753.05 and 149,263.80
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Solution
The fourth proportional to 155,168.70, 232,753.05 and 149,263.80 is: 223,895.70
Step by Step Solution
- Step 1: Write the proportion equation
155,168.70 : 232,753.05 = 149,263.80 : x - Step 2: Convert to fraction form
155,168.70/232,753.05 = 149,263.80/x - Step 3: Cross multiply
155,168.70x = 232,753.05 × 149,263.80 - Step 4: Simplify right side
155,168.70x = 34,741,604,704.59 - Step 5: Solve for x
x = 34,741,604,704.59/155,168.70 - Step 6: Final answer
x = 223,895.70
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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.