Finding the Fourth Proportional to 351,107.72, 484,528.68 and 189,962.66
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Solution
The fourth proportional to 351,107.72, 484,528.68 and 189,962.66 is: 262,148.49
Step by Step Solution
- Step 1: Write the proportion equation
351,107.72 : 484,528.68 = 189,962.66 : x - Step 2: Convert to fraction form
351,107.72/484,528.68 = 189,962.66/x - Step 3: Cross multiply
351,107.72x = 484,528.68 × 189,962.66 - Step 4: Simplify right side
351,107.72x = 92,042,356,899.09 - Step 5: Solve for x
x = 92,042,356,899.09/351,107.72 - Step 6: Final answer
x = 262,148.49
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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.