Finding the Fourth Proportional to 149,749.80, 224,624.70 and 135,971.70
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Solution
The fourth proportional to 149,749.80, 224,624.70 and 135,971.70 is: 203,957.55
Step by Step Solution
- Step 1: Write the proportion equation
149,749.80 : 224,624.70 = 135,971.70 : x - Step 2: Convert to fraction form
149,749.80/224,624.70 = 135,971.70/x - Step 3: Cross multiply
149,749.80x = 224,624.70 × 135,971.70 - Step 4: Simplify right side
149,749.80x = 30,542,602,320.99 - Step 5: Solve for x
x = 30,542,602,320.99/149,749.80 - Step 6: Final answer
x = 203,957.55
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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.