Finding the Fourth Proportional to 165,631.74, 228,572.87 and 94,012.97
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Solution
The fourth proportional to 165,631.74, 228,572.87 and 94,012.97 is: 129,738.50
Step by Step Solution
- Step 1: Write the proportion equation
165,631.74 : 228,572.87 = 94,012.97 : x - Step 2: Convert to fraction form
165,631.74/228,572.87 = 94,012.97/x - Step 3: Cross multiply
165,631.74x = 228,572.87 × 94,012.97 - Step 4: Simplify right side
165,631.74x = 21,488,812,757.19 - Step 5: Solve for x
x = 21,488,812,757.19/165,631.74 - Step 6: Final answer
x = 129,738.50
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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.