Finding the Fourth Proportional to 349,937.80, 524,906.70 and 329,201.80
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Solution
The fourth proportional to 349,937.80, 524,906.70 and 329,201.80 is: 493,802.70
Step by Step Solution
- Step 1: Write the proportion equation
349,937.80 : 524,906.70 = 329,201.80 : x - Step 2: Convert to fraction form
349,937.80/524,906.70 = 329,201.80/x - Step 3: Cross multiply
349,937.80x = 524,906.70 × 329,201.80 - Step 4: Simplify right side
349,937.80x = 172,800,230,472.06 - Step 5: Solve for x
x = 172,800,230,472.06/349,937.80 - Step 6: Final answer
x = 493,802.70
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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.