Finding the Fourth Proportional to 150,226.50, 207,312.57 and 82,243.26
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Solution
The fourth proportional to 150,226.50, 207,312.57 and 82,243.26 is: 113,495.70
Step by Step Solution
- Step 1: Write the proportion equation
150,226.50 : 207,312.57 = 82,243.26 : x - Step 2: Convert to fraction form
150,226.50/207,312.57 = 82,243.26/x - Step 3: Cross multiply
150,226.50x = 207,312.57 × 82,243.26 - Step 4: Simplify right side
150,226.50x = 17,050,061,595.78 - Step 5: Solve for x
x = 17,050,061,595.78/150,226.50 - Step 6: Final answer
x = 113,495.70
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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.