Finding the Fourth Proportional to 192,532.64, 265,613.68 and 128,890.94
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Solution
The fourth proportional to 192,532.64, 265,613.68 and 128,890.94 is: 177,815.02
Step by Step Solution
- Step 1: Write the proportion equation
192,532.64 : 265,613.68 = 128,890.94 : x - Step 2: Convert to fraction form
192,532.64/265,613.68 = 128,890.94/x - Step 3: Cross multiply
192,532.64x = 265,613.68 × 128,890.94 - Step 4: Simplify right side
192,532.64x = 34,235,195,241.76 - Step 5: Solve for x
x = 34,235,195,241.76/192,532.64 - Step 6: Final answer
x = 177,815.02
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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.