Finding the Fourth Proportional to 558,283.22, 770,102.12 and 351,221.72
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Solution
The fourth proportional to 558,283.22, 770,102.12 and 351,221.72 is: 484,479.17
Step by Step Solution
- Step 1: Write the proportion equation
558,283.22 : 770,102.12 = 351,221.72 : x - Step 2: Convert to fraction form
558,283.22/770,102.12 = 351,221.72/x - Step 3: Cross multiply
558,283.22x = 770,102.12 × 351,221.72 - Step 4: Simplify right side
558,283.22x = 270,476,591,162.05 - Step 5: Solve for x
x = 270,476,591,162.05/558,283.22 - Step 6: Final answer
x = 484,479.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.