Finding the Fourth Proportional to 165,383.36, 228,224.08 and 93,769.92
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Solution
The fourth proportional to 165,383.36, 228,224.08 and 93,769.92 is: 129,399.68
Step by Step Solution
- Step 1: Write the proportion equation
165,383.36 : 228,224.08 = 93,769.92 : x - Step 2: Convert to fraction form
165,383.36/228,224.08 = 93,769.92/x - Step 3: Cross multiply
165,383.36x = 228,224.08 × 93,769.92 - Step 4: Simplify right side
165,383.36x = 21,400,553,723.67 - Step 5: Solve for x
x = 21,400,553,723.67/165,383.36 - Step 6: Final answer
x = 129,399.68
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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.