Finding the Fourth Proportional to 165,228.41, 228,014.64 and 93,622.08
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Solution
The fourth proportional to 165,228.41, 228,014.64 and 93,622.08 is: 129,198.15
Step by Step Solution
- Step 1: Write the proportion equation
165,228.41 : 228,014.64 = 93,622.08 : x - Step 2: Convert to fraction form
165,228.41/228,014.64 = 93,622.08/x - Step 3: Cross multiply
165,228.41x = 228,014.64 × 93,622.08 - Step 4: Simplify right side
165,228.41x = 21,347,204,867.25 - Step 5: Solve for x
x = 21,347,204,867.25/165,228.41 - Step 6: Final answer
x = 129,198.15
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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.