Finding the Fourth Proportional to 178,562.48, 246,419.92 and 97,985.28
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Solution
The fourth proportional to 178,562.48, 246,419.92 and 97,985.28 is: 135,221.72
Step by Step Solution
- Step 1: Write the proportion equation
178,562.48 : 246,419.92 = 97,985.28 : x - Step 2: Convert to fraction form
178,562.48/246,419.92 = 97,985.28/x - Step 3: Cross multiply
178,562.48x = 246,419.92 × 97,985.28 - Step 4: Simplify right side
178,562.48x = 24,145,524,858.78 - Step 5: Solve for x
x = 24,145,524,858.78/178,562.48 - Step 6: Final answer
x = 135,221.72
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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.