Finding the Fourth Proportional to 323,114.60, 484,741.80 and 98,469.09
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Solution
The fourth proportional to 323,114.60, 484,741.80 and 98,469.09 is: 147,724.94
Step by Step Solution
- Step 1: Write the proportion equation
323,114.60 : 484,741.80 = 98,469.09 : x - Step 2: Convert to fraction form
323,114.60/484,741.80 = 98,469.09/x - Step 3: Cross multiply
323,114.60x = 484,741.80 × 98,469.09 - Step 4: Simplify right side
323,114.60x = 47,732,083,930.96 - Step 5: Solve for x
x = 47,732,083,930.96/323,114.60 - Step 6: Final answer
x = 147,724.94
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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.