Finding the Fourth Proportional to 717,163.94, 1,075,862.66 and 211,775.99
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Solution
The fourth proportional to 717,163.94, 1,075,862.66 and 211,775.99 is: 317,698.45
Step by Step Solution
- Step 1: Write the proportion equation
717,163.94 : 1,075,862.66 = 211,775.99 : x - Step 2: Convert to fraction form
717,163.94/1,075,862.66 = 211,775.99/x - Step 3: Cross multiply
717,163.94x = 1,075,862.66 × 211,775.99 - Step 4: Simplify right side
717,163.94x = 227,841,873,487.34 - Step 5: Solve for x
x = 227,841,873,487.34/717,163.94 - Step 6: Final answer
x = 317,698.45
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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.