Finding the Fourth Proportional to 319,782.87, 479,513.84 and 106,475.63
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Solution
The fourth proportional to 319,782.87, 479,513.84 and 106,475.63 is: 159,660.01
Step by Step Solution
- Step 1: Write the proportion equation
319,782.87 : 479,513.84 = 106,475.63 : x - Step 2: Convert to fraction form
319,782.87/479,513.84 = 106,475.63/x - Step 3: Cross multiply
319,782.87x = 479,513.84 × 106,475.63 - Step 4: Simplify right side
319,782.87x = 51,056,535,277.77 - Step 5: Solve for x
x = 51,056,535,277.77/319,782.87 - Step 6: Final answer
x = 159,660.01
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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.