Finding the Fourth Proportional to 300,035.09, 413,711.71 and 190,966.68
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Solution
The fourth proportional to 300,035.09, 413,711.71 and 190,966.68 is: 263,319.70
Step by Step Solution
- Step 1: Write the proportion equation
300,035.09 : 413,711.71 = 190,966.68 : x - Step 2: Convert to fraction form
300,035.09/413,711.71 = 190,966.68/x - Step 3: Cross multiply
300,035.09x = 413,711.71 × 190,966.68 - Step 4: Simplify right side
300,035.09x = 79,005,151,258.41 - Step 5: Solve for x
x = 79,005,151,258.41/300,035.09 - Step 6: Final answer
x = 263,319.70
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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.