Finding the Fourth Proportional to 84,318.44, 126,452.27 and 69,490.58
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Solution
The fourth proportional to 84,318.44, 126,452.27 and 69,490.58 is: 104,214.95
Step by Step Solution
- Step 1: Write the proportion equation
84,318.44 : 126,452.27 = 69,490.58 : x - Step 2: Convert to fraction form
84,318.44/126,452.27 = 69,490.58/x - Step 3: Cross multiply
84,318.44x = 126,452.27 × 69,490.58 - Step 4: Simplify right side
84,318.44x = 8,787,241,126.08 - Step 5: Solve for x
x = 8,787,241,126.08/84,318.44 - Step 6: Final answer
x = 104,214.95
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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.