Finding the Fourth Proportional to 342,929.72, 473,474.09 and 214,064.39
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Solution
The fourth proportional to 342,929.72, 473,474.09 and 214,064.39 is: 295,553.10
Step by Step Solution
- Step 1: Write the proportion equation
342,929.72 : 473,474.09 = 214,064.39 : x - Step 2: Convert to fraction form
342,929.72/473,474.09 = 214,064.39/x - Step 3: Cross multiply
342,929.72x = 473,474.09 × 214,064.39 - Step 4: Simplify right side
342,929.72x = 101,353,942,256.66 - Step 5: Solve for x
x = 101,353,942,256.66/342,929.72 - Step 6: Final answer
x = 295,553.10
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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.