Finding the Fourth Proportional to 415,195.02, 622,989.09 and 247,047.66
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Solution
The fourth proportional to 415,195.02, 622,989.09 and 247,047.66 is: 370,688.45
Step by Step Solution
- Step 1: Write the proportion equation
415,195.02 : 622,989.09 = 247,047.66 : x - Step 2: Convert to fraction form
415,195.02/622,989.09 = 247,047.66/x - Step 3: Cross multiply
415,195.02x = 622,989.09 × 247,047.66 - Step 4: Simplify right side
415,195.02x = 153,907,996,890.03 - Step 5: Solve for x
x = 153,907,996,890.03/415,195.02 - Step 6: Final answer
x = 370,688.45
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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.