Finding the Fourth Proportional to 73,284.36, 109,852.68 and 28,893.96
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Solution
The fourth proportional to 73,284.36, 109,852.68 and 28,893.96 is: 43,311.82
Step by Step Solution
- Step 1: Write the proportion equation
73,284.36 : 109,852.68 = 28,893.96 : x - Step 2: Convert to fraction form
73,284.36/109,852.68 = 28,893.96/x - Step 3: Cross multiply
73,284.36x = 109,852.68 × 28,893.96 - Step 4: Simplify right side
73,284.36x = 3,174,078,941.81 - Step 5: Solve for x
x = 3,174,078,941.81/73,284.36 - Step 6: Final answer
x = 43,311.82
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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.