Finding the Fourth Proportional to 165,730.24, 228,708.12 and 90,277.12
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Solution
The fourth proportional to 165,730.24, 228,708.12 and 90,277.12 is: 124,582.64
Step by Step Solution
- Step 1: Write the proportion equation
165,730.24 : 228,708.12 = 90,277.12 : x - Step 2: Convert to fraction form
165,730.24/228,708.12 = 90,277.12/x - Step 3: Cross multiply
165,730.24x = 228,708.12 × 90,277.12 - Step 4: Simplify right side
165,730.24x = 20,647,110,394.21 - Step 5: Solve for x
x = 20,647,110,394.21/165,730.24 - Step 6: Final answer
x = 124,582.64
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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.