Finding the Fourth Proportional to 165,752.20, 248,628.30 and 143,201.80
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Solution
The fourth proportional to 165,752.20, 248,628.30 and 143,201.80 is: 214,802.70
Step by Step Solution
- Step 1: Write the proportion equation
165,752.20 : 248,628.30 = 143,201.80 : x - Step 2: Convert to fraction form
165,752.20/248,628.30 = 143,201.80/x - Step 3: Cross multiply
165,752.20x = 248,628.30 × 143,201.80 - Step 4: Simplify right side
165,752.20x = 35,604,020,090.94 - Step 5: Solve for x
x = 35,604,020,090.94/165,752.20 - Step 6: Final answer
x = 214,802.70
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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.