Finding the Fourth Proportional to 165,419.50, 228,330.94 and 93,847.08
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Solution
The fourth proportional to 165,419.50, 228,330.94 and 93,847.08 is: 129,538.49
Step by Step Solution
- Step 1: Write the proportion equation
165,419.50 : 228,330.94 = 93,847.08 : x - Step 2: Convert to fraction form
165,419.50/228,330.94 = 93,847.08/x - Step 3: Cross multiply
165,419.50x = 228,330.94 × 93,847.08 - Step 4: Simplify right side
165,419.50x = 21,428,191,992.66 - Step 5: Solve for x
x = 21,428,191,992.66/165,419.50 - Step 6: Final answer
x = 129,538.49
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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.