Finding the Fourth Proportional to 338,455.20, 467,019.36 and 187,551.84
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Solution
The fourth proportional to 338,455.20, 467,019.36 and 187,551.84 is: 258,794.49
Step by Step Solution
- Step 1: Write the proportion equation
338,455.20 : 467,019.36 = 187,551.84 : x - Step 2: Convert to fraction form
338,455.20/467,019.36 = 187,551.84/x - Step 3: Cross multiply
338,455.20x = 467,019.36 × 187,551.84 - Step 4: Simplify right side
338,455.20x = 87,590,340,283.62 - Step 5: Solve for x
x = 87,590,340,283.62/338,455.20 - Step 6: Final answer
x = 258,794.49
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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.