Finding the Fourth Proportional to 146,023.83, 201,511.68 and 84,775.70
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Solution
The fourth proportional to 146,023.83, 201,511.68 and 84,775.70 is: 116,989.76
Step by Step Solution
- Step 1: Write the proportion equation
146,023.83 : 201,511.68 = 84,775.70 : x - Step 2: Convert to fraction form
146,023.83/201,511.68 = 84,775.70/x - Step 3: Cross multiply
146,023.83x = 201,511.68 × 84,775.70 - Step 4: Simplify right side
146,023.83x = 17,083,292,722.62 - Step 5: Solve for x
x = 17,083,292,722.62/146,023.83 - Step 6: Final answer
x = 116,989.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.