Finding the Fourth Proportional to 262,466.20, 393,107.30 and 121,929.08
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Solution
The fourth proportional to 262,466.20, 393,107.30 and 121,929.08 is: 182,618.61
Step by Step Solution
- Step 1: Write the proportion equation
262,466.20 : 393,107.30 = 121,929.08 : x - Step 2: Convert to fraction form
262,466.20/393,107.30 = 121,929.08/x - Step 3: Cross multiply
262,466.20x = 393,107.30 × 121,929.08 - Step 4: Simplify right side
262,466.20x = 47,931,211,430.28 - Step 5: Solve for x
x = 47,931,211,430.28/262,466.20 - Step 6: Final answer
x = 182,618.61
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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.