Finding the Fourth Proportional to 742,331.14, 1,112,951.49 and 236,600.98
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Solution
The fourth proportional to 742,331.14, 1,112,951.49 and 236,600.98 is: 354,727.69
Step by Step Solution
- Step 1: Write the proportion equation
742,331.14 : 1,112,951.49 = 236,600.98 : x - Step 2: Convert to fraction form
742,331.14/1,112,951.49 = 236,600.98/x - Step 3: Cross multiply
742,331.14x = 1,112,951.49 × 236,600.98 - Step 4: Simplify right side
742,331.14x = 263,325,413,226.46 - Step 5: Solve for x
x = 263,325,413,226.46/742,331.14 - Step 6: Final answer
x = 354,727.69
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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.