Finding the Fourth Proportional to 323,532.60, 485,352.36 and 146,035.68
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Solution
The fourth proportional to 323,532.60, 485,352.36 and 146,035.68 is: 219,077.65
Step by Step Solution
- Step 1: Write the proportion equation
323,532.60 : 485,352.36 = 146,035.68 : x - Step 2: Convert to fraction form
323,532.60/485,352.36 = 146,035.68/x - Step 3: Cross multiply
323,532.60x = 485,352.36 × 146,035.68 - Step 4: Simplify right side
323,532.60x = 70,878,761,932.20 - Step 5: Solve for x
x = 70,878,761,932.20/323,532.60 - Step 6: Final answer
x = 219,077.65
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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.