Finding the Fourth Proportional to 336,671.91, 465,223.10 and 320,271.03
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Solution
The fourth proportional to 336,671.91, 465,223.10 and 320,271.03 is: 442,559.88
Step by Step Solution
- Step 1: Write the proportion equation
336,671.91 : 465,223.10 = 320,271.03 : x - Step 2: Convert to fraction form
336,671.91/465,223.10 = 320,271.03/x - Step 3: Cross multiply
336,671.91x = 465,223.10 × 320,271.03 - Step 4: Simplify right side
336,671.91x = 148,997,479,815.44 - Step 5: Solve for x
x = 148,997,479,815.44/336,671.91 - Step 6: Final answer
x = 442,559.88
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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.