Finding the Fourth Proportional to 190,062.19, 262,259.84 and 113,565.13
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Solution
The fourth proportional to 190,062.19, 262,259.84 and 113,565.13 is: 156,704.35
Step by Step Solution
- Step 1: Write the proportion equation
190,062.19 : 262,259.84 = 113,565.13 : x - Step 2: Convert to fraction form
190,062.19/262,259.84 = 113,565.13/x - Step 3: Cross multiply
190,062.19x = 262,259.84 × 113,565.13 - Step 4: Simplify right side
190,062.19x = 29,783,571,512.08 - Step 5: Solve for x
x = 29,783,571,512.08/190,062.19 - Step 6: Final answer
x = 156,704.35
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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.