Finding the Fourth Proportional to 185,338.05, 278,007.08 and 122,243.10
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Solution
The fourth proportional to 185,338.05, 278,007.08 and 122,243.10 is: 183,364.65
Step by Step Solution
- Step 1: Write the proportion equation
185,338.05 : 278,007.08 = 122,243.10 : x - Step 2: Convert to fraction form
185,338.05/278,007.08 = 122,243.10/x - Step 3: Cross multiply
185,338.05x = 278,007.08 × 122,243.10 - Step 4: Simplify right side
185,338.05x = 33,984,446,669.93 - Step 5: Solve for x
x = 33,984,446,669.93/185,338.05 - Step 6: Final answer
x = 183,364.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.