Finding the Fourth Proportional to 150,733.05, 208,012.18 and 82,756.99
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Solution
The fourth proportional to 150,733.05, 208,012.18 and 82,756.99 is: 114,204.96
Step by Step Solution
- Step 1: Write the proportion equation
150,733.05 : 208,012.18 = 82,756.99 : x - Step 2: Convert to fraction form
150,733.05/208,012.18 = 82,756.99/x - Step 3: Cross multiply
150,733.05x = 208,012.18 × 82,756.99 - Step 4: Simplify right side
150,733.05x = 17,214,461,875.68 - Step 5: Solve for x
x = 17,214,461,875.68/150,733.05 - Step 6: Final answer
x = 114,204.96
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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.