Finding the Fourth Proportional to 296,822.68, 445,067.58 and 128,237.80
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Solution
The fourth proportional to 296,822.68, 445,067.58 and 128,237.80 is: 192,284.79
Step by Step Solution
- Step 1: Write the proportion equation
296,822.68 : 445,067.58 = 128,237.80 : x - Step 2: Convert to fraction form
296,822.68/445,067.58 = 128,237.80/x - Step 3: Cross multiply
296,822.68x = 445,067.58 × 128,237.80 - Step 4: Simplify right side
296,822.68x = 57,074,487,310.52 - Step 5: Solve for x
x = 57,074,487,310.52/296,822.68 - Step 6: Final answer
x = 192,284.79
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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.