Finding the Fourth Proportional to 150,199.68, 207,276.10 and 83,131.68
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Solution
The fourth proportional to 150,199.68, 207,276.10 and 83,131.68 is: 114,722.02
Step by Step Solution
- Step 1: Write the proportion equation
150,199.68 : 207,276.10 = 83,131.68 : x - Step 2: Convert to fraction form
150,199.68/207,276.10 = 83,131.68/x - Step 3: Cross multiply
150,199.68x = 207,276.10 × 83,131.68 - Step 4: Simplify right side
150,199.68x = 17,231,210,416.85 - Step 5: Solve for x
x = 17,231,210,416.85/150,199.68 - Step 6: Final answer
x = 114,722.02
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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.