Finding the Fourth Proportional to 148,247.70, 207,961.50 and 148,247.70
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Solution
The fourth proportional to 148,247.70, 207,961.50 and 148,247.70 is: 207,961.50
Step by Step Solution
- Step 1: Write the proportion equation
148,247.70 : 207,961.50 = 148,247.70 : x - Step 2: Convert to fraction form
148,247.70/207,961.50 = 148,247.70/x - Step 3: Cross multiply
148,247.70x = 207,961.50 × 148,247.70 - Step 4: Simplify right side
148,247.70x = 30,829,814,063.55 - Step 5: Solve for x
x = 30,829,814,063.55/148,247.70 - Step 6: Final answer
x = 207,961.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.