Finding the Fourth Proportional to 178,814.36, 246,765.48 and 98,243.55
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Solution
The fourth proportional to 178,814.36, 246,765.48 and 98,243.55 is: 135,577.02
Step by Step Solution
- Step 1: Write the proportion equation
178,814.36 : 246,765.48 = 98,243.55 : x - Step 2: Convert to fraction form
178,814.36/246,765.48 = 98,243.55/x - Step 3: Cross multiply
178,814.36x = 246,765.48 × 98,243.55 - Step 4: Simplify right side
178,814.36x = 24,243,116,772.65 - Step 5: Solve for x
x = 24,243,116,772.65/178,814.36 - Step 6: Final answer
x = 135,577.02
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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.