Finding the Fourth Proportional to 190,754.08, 286,234.80 and 80,023.84
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Solution
The fourth proportional to 190,754.08, 286,234.80 and 80,023.84 is: 120,079.26
Step by Step Solution
- Step 1: Write the proportion equation
190,754.08 : 286,234.80 = 80,023.84 : x - Step 2: Convert to fraction form
190,754.08/286,234.80 = 80,023.84/x - Step 3: Cross multiply
190,754.08x = 286,234.80 × 80,023.84 - Step 4: Simplify right side
190,754.08x = 22,905,607,837.63 - Step 5: Solve for x
x = 22,905,607,837.63/190,754.08 - Step 6: Final answer
x = 120,079.26
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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.