Finding the Fourth Proportional to 211,917.96, 292,451.94 and 116,430.84
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Solution
The fourth proportional to 211,917.96, 292,451.94 and 116,430.84 is: 160,677.39
Step by Step Solution
- Step 1: Write the proportion equation
211,917.96 : 292,451.94 = 116,430.84 : x - Step 2: Convert to fraction form
211,917.96/292,451.94 = 116,430.84/x - Step 3: Cross multiply
211,917.96x = 292,451.94 × 116,430.84 - Step 4: Simplify right side
211,917.96x = 34,050,425,033.83 - Step 5: Solve for x
x = 34,050,425,033.83/211,917.96 - Step 6: Final answer
x = 160,677.39
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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.