Finding the Fourth Proportional to 368,163.20, 552,244.80 and 181,539.20
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Solution
The fourth proportional to 368,163.20, 552,244.80 and 181,539.20 is: 272,308.80
Step by Step Solution
- Step 1: Write the proportion equation
368,163.20 : 552,244.80 = 181,539.20 : x - Step 2: Convert to fraction form
368,163.20/552,244.80 = 181,539.20/x - Step 3: Cross multiply
368,163.20x = 552,244.80 × 181,539.20 - Step 4: Simplify right side
368,163.20x = 100,254,079,196.16 - Step 5: Solve for x
x = 100,254,079,196.16/368,163.20 - Step 6: Final answer
x = 272,308.80
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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.