Finding the Fourth Proportional to 516,862.18, 775,292.81 and 161,903.88
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Solution
The fourth proportional to 516,862.18, 775,292.81 and 161,903.88 is: 242,855.68
Step by Step Solution
- Step 1: Write the proportion equation
516,862.18 : 775,292.81 = 161,903.88 : x - Step 2: Convert to fraction form
516,862.18/775,292.81 = 161,903.88/x - Step 3: Cross multiply
516,862.18x = 775,292.81 × 161,903.88 - Step 4: Simplify right side
516,862.18x = 125,522,914,075.10 - Step 5: Solve for x
x = 125,522,914,075.10/516,862.18 - Step 6: Final answer
x = 242,855.68
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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.