Finding the Fourth Proportional to 263,384.71, 363,471.87 and 142,525.99
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Solution
The fourth proportional to 263,384.71, 363,471.87 and 142,525.99 is: 196,686.39
Step by Step Solution
- Step 1: Write the proportion equation
263,384.71 : 363,471.87 = 142,525.99 : x - Step 2: Convert to fraction form
263,384.71/363,471.87 = 142,525.99/x - Step 3: Cross multiply
263,384.71x = 363,471.87 × 142,525.99 - Step 4: Simplify right side
263,384.71x = 51,804,188,108.90 - Step 5: Solve for x
x = 51,804,188,108.90/263,384.71 - Step 6: Final answer
x = 196,686.39
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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.