Finding the Fourth Proportional to 296,043.36, 444,137.94 and 85,702.56
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Solution
The fourth proportional to 296,043.36, 444,137.94 and 85,702.56 is: 128,574.94
Step by Step Solution
- Step 1: Write the proportion equation
296,043.36 : 444,137.94 = 85,702.56 : x - Step 2: Convert to fraction form
296,043.36/444,137.94 = 85,702.56/x - Step 3: Cross multiply
296,043.36x = 444,137.94 × 85,702.56 - Step 4: Simplify right side
296,043.36x = 38,063,758,451.13 - Step 5: Solve for x
x = 38,063,758,451.13/296,043.36 - Step 6: Final answer
x = 128,574.94
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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.