Finding the Fourth Proportional to 211,303.88, 291,556.26 and 125,224.92
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Solution
The fourth proportional to 211,303.88, 291,556.26 and 125,224.92 is: 172,784.85
Step by Step Solution
- Step 1: Write the proportion equation
211,303.88 : 291,556.26 = 125,224.92 : x - Step 2: Convert to fraction form
211,303.88/291,556.26 = 125,224.92/x - Step 3: Cross multiply
211,303.88x = 291,556.26 × 125,224.92 - Step 4: Simplify right side
211,303.88x = 36,510,109,334.00 - Step 5: Solve for x
x = 36,510,109,334.00/211,303.88 - Step 6: Final answer
x = 172,784.85
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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.