Finding the Fourth Proportional to 190,931.79, 263,456.58 and 110,343.75
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Solution
The fourth proportional to 190,931.79, 263,456.58 and 110,343.75 is: 152,257.44
Step by Step Solution
- Step 1: Write the proportion equation
190,931.79 : 263,456.58 = 110,343.75 : x - Step 2: Convert to fraction form
190,931.79/263,456.58 = 110,343.75/x - Step 3: Cross multiply
190,931.79x = 263,456.58 × 110,343.75 - Step 4: Simplify right side
190,931.79x = 29,070,786,091.60 - Step 5: Solve for x
x = 29,070,786,091.60/190,931.79 - Step 6: Final answer
x = 152,257.44
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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.