Finding the Fourth Proportional to 358,768.75, 538,219.25 and 148,423.09
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Solution
The fourth proportional to 358,768.75, 538,219.25 and 148,423.09 is: 222,661.99
Step by Step Solution
- Step 1: Write the proportion equation
358,768.75 : 538,219.25 = 148,423.09 : x - Step 2: Convert to fraction form
358,768.75/538,219.25 = 148,423.09/x - Step 3: Cross multiply
358,768.75x = 538,219.25 × 148,423.09 - Step 4: Simplify right side
358,768.75x = 79,884,164,182.48 - Step 5: Solve for x
x = 79,884,164,182.48/358,768.75 - Step 6: Final answer
x = 222,661.99
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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.