Finding the Fourth Proportional to 130,628.09, 196,029.41 and 47,522.09
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Solution
The fourth proportional to 130,628.09, 196,029.41 and 47,522.09 is: 71,314.88
Step by Step Solution
- Step 1: Write the proportion equation
130,628.09 : 196,029.41 = 47,522.09 : x - Step 2: Convert to fraction form
130,628.09/196,029.41 = 47,522.09/x - Step 3: Cross multiply
130,628.09x = 196,029.41 × 47,522.09 - Step 4: Simplify right side
130,628.09x = 9,315,726,046.91 - Step 5: Solve for x
x = 9,315,726,046.91/130,628.09 - Step 6: Final answer
x = 71,314.88
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1.5x scale
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.