Finding the Fourth Proportional to 387,031.37, 534,120.99 and 214,950.00
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Solution
The fourth proportional to 387,031.37, 534,120.99 and 214,950.00 is: 296,640.84
Step by Step Solution
- Step 1: Write the proportion equation
387,031.37 : 534,120.99 = 214,950.00 : x - Step 2: Convert to fraction form
387,031.37/534,120.99 = 214,950.00/x - Step 3: Cross multiply
387,031.37x = 534,120.99 × 214,950.00 - Step 4: Simplify right side
387,031.37x = 114,809,307,997.39 - Step 5: Solve for x
x = 114,809,307,997.39/387,031.37 - Step 6: Final answer
x = 296,640.84
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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.