Finding the Fourth Proportional to 190,930.42, 263,476.96 and 106,052.95
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Solution
The fourth proportional to 190,930.42, 263,476.96 and 106,052.95 is: 146,349.17
Step by Step Solution
- Step 1: Write the proportion equation
190,930.42 : 263,476.96 = 106,052.95 : x - Step 2: Convert to fraction form
190,930.42/263,476.96 = 106,052.95/x - Step 3: Cross multiply
190,930.42x = 263,476.96 × 106,052.95 - Step 4: Simplify right side
190,930.42x = 27,942,508,865.03 - Step 5: Solve for x
x = 27,942,508,865.03/190,930.42 - Step 6: Final answer
x = 146,349.17
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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.