Finding the Fourth Proportional to 266,857.87, 368,227.51 and 159,405.09
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Solution
The fourth proportional to 266,857.87, 368,227.51 and 159,405.09 is: 219,957.31
Step by Step Solution
- Step 1: Write the proportion equation
266,857.87 : 368,227.51 = 159,405.09 : x - Step 2: Convert to fraction form
266,857.87/368,227.51 = 159,405.09/x - Step 3: Cross multiply
266,857.87x = 368,227.51 × 159,405.09 - Step 4: Simplify right side
266,857.87x = 58,697,338,973.51 - Step 5: Solve for x
x = 58,697,338,973.51/266,857.87 - Step 6: Final answer
x = 219,957.31
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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.