Finding the Fourth Proportional to 861,336.42, 1,291,859.91 and 262,152.42
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Solution
The fourth proportional to 861,336.42, 1,291,859.91 and 262,152.42 is: 393,184.58
Step by Step Solution
- Step 1: Write the proportion equation
861,336.42 : 1,291,859.91 = 262,152.42 : x - Step 2: Convert to fraction form
861,336.42/1,291,859.91 = 262,152.42/x - Step 3: Cross multiply
861,336.42x = 1,291,859.91 × 262,152.42 - Step 4: Simplify right side
861,336.42x = 338,664,201,707.48 - Step 5: Solve for x
x = 338,664,201,707.48/861,336.42 - Step 6: Final answer
x = 393,184.58
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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.