Finding the Fourth Proportional to 266,858.87, 368,228.89 and 159,406.09
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Solution
The fourth proportional to 266,858.87, 368,228.89 and 159,406.09 is: 219,958.69
Step by Step Solution
- Step 1: Write the proportion equation
266,858.87 : 368,228.89 = 159,406.09 : x - Step 2: Convert to fraction form
266,858.87/368,228.89 = 159,406.09/x - Step 3: Cross multiply
266,858.87x = 368,228.89 × 159,406.09 - Step 4: Simplify right side
266,858.87x = 58,697,927,579.94 - Step 5: Solve for x
x = 58,697,927,579.94/266,858.87 - Step 6: Final answer
x = 219,958.69
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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.