Finding the Fourth Proportional to 342,220.36, 512,902.86 and 164,679.70
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Solution
The fourth proportional to 342,220.36, 512,902.86 and 164,679.70 is: 246,813.75
Step by Step Solution
- Step 1: Write the proportion equation
342,220.36 : 512,902.86 = 164,679.70 : x - Step 2: Convert to fraction form
342,220.36/512,902.86 = 164,679.70/x - Step 3: Cross multiply
342,220.36x = 512,902.86 × 164,679.70 - Step 4: Simplify right side
342,220.36x = 84,464,689,113.94 - Step 5: Solve for x
x = 84,464,689,113.94/342,220.36 - Step 6: Final answer
x = 246,813.75
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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.