Finding the Fourth Proportional to 324,417.80, 486,626.70 and 102,801.80
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Solution
The fourth proportional to 324,417.80, 486,626.70 and 102,801.80 is: 154,202.70
Step by Step Solution
- Step 1: Write the proportion equation
324,417.80 : 486,626.70 = 102,801.80 : x - Step 2: Convert to fraction form
324,417.80/486,626.70 = 102,801.80/x - Step 3: Cross multiply
324,417.80x = 486,626.70 × 102,801.80 - Step 4: Simplify right side
324,417.80x = 50,026,100,688.06 - Step 5: Solve for x
x = 50,026,100,688.06/324,417.80 - Step 6: Final answer
x = 154,202.70
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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.