Finding the Fourth Proportional to 245,782.62, 368,331.20 and 185,761.82
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Solution
The fourth proportional to 245,782.62, 368,331.20 and 185,761.82 is: 278,383.70
Step by Step Solution
- Step 1: Write the proportion equation
245,782.62 : 368,331.20 = 185,761.82 : x - Step 2: Convert to fraction form
245,782.62/368,331.20 = 185,761.82/x - Step 3: Cross multiply
245,782.62x = 368,331.20 × 185,761.82 - Step 4: Simplify right side
245,782.62x = 68,421,874,763.41 - Step 5: Solve for x
x = 68,421,874,763.41/245,782.62 - Step 6: Final answer
x = 278,383.70
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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.