Finding the Fourth Proportional to 223,150.68, 307,950.12 and 122,548.68
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Solution
The fourth proportional to 223,150.68, 307,950.12 and 122,548.68 is: 169,118.38
Step by Step Solution
- Step 1: Write the proportion equation
223,150.68 : 307,950.12 = 122,548.68 : x - Step 2: Convert to fraction form
223,150.68/307,950.12 = 122,548.68/x - Step 3: Cross multiply
223,150.68x = 307,950.12 × 122,548.68 - Step 4: Simplify right side
223,150.68x = 37,738,880,711.84 - Step 5: Solve for x
x = 37,738,880,711.84/223,150.68 - Step 6: Final answer
x = 169,118.38
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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.