Finding the Fourth Proportional to 324,460.74, 486,747.18 and 144,610.08
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Solution
The fourth proportional to 324,460.74, 486,747.18 and 144,610.08 is: 216,940.11
Step by Step Solution
- Step 1: Write the proportion equation
324,460.74 : 486,747.18 = 144,610.08 : x - Step 2: Convert to fraction form
324,460.74/486,747.18 = 144,610.08/x - Step 3: Cross multiply
324,460.74x = 486,747.18 × 144,610.08 - Step 4: Simplify right side
324,460.74x = 70,388,548,639.57 - Step 5: Solve for x
x = 70,388,548,639.57/324,460.74 - Step 6: Final answer
x = 216,940.11
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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.