Finding the Fourth Proportional to 282,865.84, 421,634.08 and 260,165.41
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Solution
The fourth proportional to 282,865.84, 421,634.08 and 260,165.41 is: 387,797.28
Step by Step Solution
- Step 1: Write the proportion equation
282,865.84 : 421,634.08 = 260,165.41 : x - Step 2: Convert to fraction form
282,865.84/421,634.08 = 260,165.41/x - Step 3: Cross multiply
282,865.84x = 421,634.08 × 260,165.41 - Step 4: Simplify right side
282,865.84x = 109,694,603,293.17 - Step 5: Solve for x
x = 109,694,603,293.17/282,865.84 - Step 6: Final answer
x = 387,797.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.