Finding the Fourth Proportional to 122,853.66, 184,293.07 and 47,015.99
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Solution
The fourth proportional to 122,853.66, 184,293.07 and 47,015.99 is: 70,528.80
Step by Step Solution
- Step 1: Write the proportion equation
122,853.66 : 184,293.07 = 47,015.99 : x - Step 2: Convert to fraction form
122,853.66/184,293.07 = 47,015.99/x - Step 3: Cross multiply
122,853.66x = 184,293.07 × 47,015.99 - Step 4: Simplify right side
122,853.66x = 8,664,721,506.28 - Step 5: Solve for x
x = 8,664,721,506.28/122,853.66 - Step 6: Final answer
x = 70,528.80
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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.