Finding the Fourth Proportional to 150,258.22, 207,356.68 and 81,348.41
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Solution
The fourth proportional to 150,258.22, 207,356.68 and 81,348.41 is: 112,260.99
Step by Step Solution
- Step 1: Write the proportion equation
150,258.22 : 207,356.68 = 81,348.41 : x - Step 2: Convert to fraction form
150,258.22/207,356.68 = 81,348.41/x - Step 3: Cross multiply
150,258.22x = 207,356.68 × 81,348.41 - Step 4: Simplify right side
150,258.22x = 16,868,136,220.88 - Step 5: Solve for x
x = 16,868,136,220.88/150,258.22 - Step 6: Final answer
x = 112,260.99
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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.