Finding the Fourth Proportional to 369,058.38, 509,338.17 and 225,913.02
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Solution
The fourth proportional to 369,058.38, 509,338.17 and 225,913.02 is: 311,782.99
Step by Step Solution
- Step 1: Write the proportion equation
369,058.38 : 509,338.17 = 225,913.02 : x - Step 2: Convert to fraction form
369,058.38/509,338.17 = 225,913.02/x - Step 3: Cross multiply
369,058.38x = 509,338.17 × 225,913.02 - Step 4: Simplify right side
369,058.38x = 115,066,124,185.97 - Step 5: Solve for x
x = 115,066,124,185.97/369,058.38 - Step 6: Final answer
x = 311,782.99
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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.