Finding the Fourth Proportional to 178,448.70, 246,266.10 and 97,879.62
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Solution
The fourth proportional to 178,448.70, 246,266.10 and 97,879.62 is: 135,077.66
Step by Step Solution
- Step 1: Write the proportion equation
178,448.70 : 246,266.10 = 97,879.62 : x - Step 2: Convert to fraction form
178,448.70/246,266.10 = 97,879.62/x - Step 3: Cross multiply
178,448.70x = 246,266.10 × 97,879.62 - Step 4: Simplify right side
178,448.70x = 24,104,432,286.88 - Step 5: Solve for x
x = 24,104,432,286.88/178,448.70 - Step 6: Final answer
x = 135,077.66
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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.