Finding the Fourth Proportional to 205,237.46, 283,177.68 and 120,338.12
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Solution
The fourth proportional to 205,237.46, 283,177.68 and 120,338.12 is: 166,037.28
Step by Step Solution
- Step 1: Write the proportion equation
205,237.46 : 283,177.68 = 120,338.12 : x - Step 2: Convert to fraction form
205,237.46/283,177.68 = 120,338.12/x - Step 3: Cross multiply
205,237.46x = 283,177.68 × 120,338.12 - Step 4: Simplify right side
205,237.46x = 34,077,069,637.16 - Step 5: Solve for x
x = 34,077,069,637.16/205,237.46 - Step 6: Final answer
x = 166,037.28
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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.