Finding the Fourth Proportional to 447,912.93, 670,291.35 and 279,512.49
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Solution
The fourth proportional to 447,912.93, 670,291.35 and 279,512.49 is: 418,283.98
Step by Step Solution
- Step 1: Write the proportion equation
447,912.93 : 670,291.35 = 279,512.49 : x - Step 2: Convert to fraction form
447,912.93/670,291.35 = 279,512.49/x - Step 3: Cross multiply
447,912.93x = 670,291.35 × 279,512.49 - Step 4: Simplify right side
447,912.93x = 187,354,804,263.96 - Step 5: Solve for x
x = 187,354,804,263.96/447,912.93 - Step 6: Final answer
x = 418,283.98
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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.