Finding the Fourth Proportional to 165,378.85, 228,203.81 and 93,744.61
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Solution
The fourth proportional to 165,378.85, 228,203.81 and 93,744.61 is: 129,356.79
Step by Step Solution
- Step 1: Write the proportion equation
165,378.85 : 228,203.81 = 93,744.61 : x - Step 2: Convert to fraction form
165,378.85/228,203.81 = 93,744.61/x - Step 3: Cross multiply
165,378.85x = 228,203.81 × 93,744.61 - Step 4: Simplify right side
165,378.85x = 21,392,876,700.24 - Step 5: Solve for x
x = 21,392,876,700.24/165,378.85 - Step 6: Final answer
x = 129,356.79
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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.