Finding the Fourth Proportional to 236,564.70, 354,847.05 and 143,252.70
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Solution
The fourth proportional to 236,564.70, 354,847.05 and 143,252.70 is: 214,879.05
Step by Step Solution
- Step 1: Write the proportion equation
236,564.70 : 354,847.05 = 143,252.70 : x - Step 2: Convert to fraction form
236,564.70/354,847.05 = 143,252.70/x - Step 3: Cross multiply
236,564.70x = 354,847.05 × 143,252.70 - Step 4: Simplify right side
236,564.70x = 50,832,797,999.54 - Step 5: Solve for x
x = 50,832,797,999.54/236,564.70 - Step 6: Final answer
x = 214,879.05
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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.