Finding the Fourth Proportional to 130,946.13, 196,338.78 and 50,890.62
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Solution
The fourth proportional to 130,946.13, 196,338.78 and 50,890.62 is: 76,304.68
Step by Step Solution
- Step 1: Write the proportion equation
130,946.13 : 196,338.78 = 50,890.62 : x - Step 2: Convert to fraction form
130,946.13/196,338.78 = 50,890.62/x - Step 3: Cross multiply
130,946.13x = 196,338.78 × 50,890.62 - Step 4: Simplify right side
130,946.13x = 9,991,802,244.24 - Step 5: Solve for x
x = 9,991,802,244.24/130,946.13 - Step 6: Final answer
x = 76,304.68
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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.