Finding the Fourth Proportional to 192,389.87, 265,497.59 and 107,506.94
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Solution
The fourth proportional to 192,389.87, 265,497.59 and 107,506.94 is: 148,359.33
Step by Step Solution
- Step 1: Write the proportion equation
192,389.87 : 265,497.59 = 107,506.94 : x - Step 2: Convert to fraction form
192,389.87/265,497.59 = 107,506.94/x - Step 3: Cross multiply
192,389.87x = 265,497.59 × 107,506.94 - Step 4: Simplify right side
192,389.87x = 28,542,831,613.25 - Step 5: Solve for x
x = 28,542,831,613.25/192,389.87 - Step 6: Final answer
x = 148,359.33
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1.5x scale
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.