Finding the Fourth Proportional to 225,957.14, 338,937.66 and 57,477.63
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Solution
The fourth proportional to 225,957.14, 338,937.66 and 57,477.63 is: 86,216.94
Step by Step Solution
- Step 1: Write the proportion equation
225,957.14 : 338,937.66 = 57,477.63 : x - Step 2: Convert to fraction form
225,957.14/338,937.66 = 57,477.63/x - Step 3: Cross multiply
225,957.14x = 338,937.66 × 57,477.63 - Step 4: Simplify right side
225,957.14x = 19,481,332,396.45 - Step 5: Solve for x
x = 19,481,332,396.45/225,957.14 - Step 6: Final answer
x = 86,216.94
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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.