Finding the Fourth Proportional to 211,258.64, 291,564.60 and 136,025.84
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Solution
The fourth proportional to 211,258.64, 291,564.60 and 136,025.84 is: 187,733.48
Step by Step Solution
- Step 1: Write the proportion equation
211,258.64 : 291,564.60 = 136,025.84 : x - Step 2: Convert to fraction form
211,258.64/291,564.60 = 136,025.84/x - Step 3: Cross multiply
211,258.64x = 291,564.60 × 136,025.84 - Step 4: Simplify right side
211,258.64x = 39,660,319,629.26 - Step 5: Solve for x
x = 39,660,319,629.26/211,258.64 - Step 6: Final answer
x = 187,733.48
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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.