Finding the Fourth Proportional to 338,455.62, 507,679.49 and 82,289.63
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Solution
The fourth proportional to 338,455.62, 507,679.49 and 82,289.63 is: 123,433.49
Step by Step Solution
- Step 1: Write the proportion equation
338,455.62 : 507,679.49 = 82,289.63 : x - Step 2: Convert to fraction form
338,455.62/507,679.49 = 82,289.63/x - Step 3: Cross multiply
338,455.62x = 507,679.49 × 82,289.63 - Step 4: Simplify right side
338,455.62x = 41,776,758,865.61 - Step 5: Solve for x
x = 41,776,758,865.61/338,455.62 - Step 6: Final answer
x = 123,433.49
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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.