Finding the Fourth Proportional to 143,048.76, 214,593.20 and 43,197.63
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Solution
The fourth proportional to 143,048.76, 214,593.20 and 43,197.63 is: 64,802.50
Step by Step Solution
- Step 1: Write the proportion equation
143,048.76 : 214,593.20 = 43,197.63 : x - Step 2: Convert to fraction form
143,048.76/214,593.20 = 43,197.63/x - Step 3: Cross multiply
143,048.76x = 214,593.20 × 43,197.63 - Step 4: Simplify right side
143,048.76x = 9,269,917,438.13 - Step 5: Solve for x
x = 9,269,917,438.13/143,048.76 - Step 6: Final answer
x = 64,802.50
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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.