Finding the Fourth Proportional to 278,108.84, 416,733.91 and 187,797.62
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Solution
The fourth proportional to 278,108.84, 416,733.91 and 187,797.62 is: 281,406.50
Step by Step Solution
- Step 1: Write the proportion equation
278,108.84 : 416,733.91 = 187,797.62 : x - Step 2: Convert to fraction form
278,108.84/416,733.91 = 187,797.62/x - Step 3: Cross multiply
278,108.84x = 416,733.91 × 187,797.62 - Step 4: Simplify right side
278,108.84x = 78,261,637,043.63 - Step 5: Solve for x
x = 78,261,637,043.63/278,108.84 - Step 6: Final answer
x = 281,406.50
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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.