Finding the Fourth Proportional to 150,283.20, 207,606.84 and 120,028.80
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Solution
The fourth proportional to 150,283.20, 207,606.84 and 120,028.80 is: 165,812.28
Step by Step Solution
- Step 1: Write the proportion equation
150,283.20 : 207,606.84 = 120,028.80 : x - Step 2: Convert to fraction form
150,283.20/207,606.84 = 120,028.80/x - Step 3: Cross multiply
150,283.20x = 207,606.84 × 120,028.80 - Step 4: Simplify right side
150,283.20x = 24,918,799,876.99 - Step 5: Solve for x
x = 24,918,799,876.99/150,283.20 - Step 6: Final answer
x = 165,812.28
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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.