Finding the Fourth Proportional to 339,727.44, 468,869.36 and 219,219.08
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Solution
The fourth proportional to 339,727.44, 468,869.36 and 219,219.08 is: 302,551.69
Step by Step Solution
- Step 1: Write the proportion equation
339,727.44 : 468,869.36 = 219,219.08 : x - Step 2: Convert to fraction form
339,727.44/468,869.36 = 219,219.08/x - Step 3: Cross multiply
339,727.44x = 468,869.36 × 219,219.08 - Step 4: Simplify right side
339,727.44x = 102,785,109,739.39 - Step 5: Solve for x
x = 102,785,109,739.39/339,727.44 - Step 6: Final answer
x = 302,551.69
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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.