Finding the Fourth Proportional to 165,424.05, 228,211.97 and 101,724.21
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Solution
The fourth proportional to 165,424.05, 228,211.97 and 101,724.21 is: 140,334.39
Step by Step Solution
- Step 1: Write the proportion equation
165,424.05 : 228,211.97 = 101,724.21 : x - Step 2: Convert to fraction form
165,424.05/228,211.97 = 101,724.21/x - Step 3: Cross multiply
165,424.05x = 228,211.97 × 101,724.21 - Step 4: Simplify right side
165,424.05x = 23,214,682,360.79 - Step 5: Solve for x
x = 23,214,682,360.79/165,424.05 - Step 6: Final answer
x = 140,334.39
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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.