Finding the Fourth Proportional to 165,970.56, 228,965.28 and 102,285.12
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Solution
The fourth proportional to 165,970.56, 228,965.28 and 102,285.12 is: 141,107.80
Step by Step Solution
- Step 1: Write the proportion equation
165,970.56 : 228,965.28 = 102,285.12 : x - Step 2: Convert to fraction form
165,970.56/228,965.28 = 102,285.12/x - Step 3: Cross multiply
165,970.56x = 228,965.28 × 102,285.12 - Step 4: Simplify right side
165,970.56x = 23,419,741,140.63 - Step 5: Solve for x
x = 23,419,741,140.63/165,970.56 - Step 6: Final answer
x = 141,107.80
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1.5x scale
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.