Finding the Fourth Proportional to 415,789.44, 623,588.81 and 116,291.19
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Solution
The fourth proportional to 415,789.44, 623,588.81 and 116,291.19 is: 174,410.12
Step by Step Solution
- Step 1: Write the proportion equation
415,789.44 : 623,588.81 = 116,291.19 : x - Step 2: Convert to fraction form
415,789.44/623,588.81 = 116,291.19/x - Step 3: Cross multiply
415,789.44x = 623,588.81 × 116,291.19 - Step 4: Simplify right side
415,789.44x = 72,517,884,204.13 - Step 5: Solve for x
x = 72,517,884,204.13/415,789.44 - Step 6: Final answer
x = 174,410.12
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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.