Finding the Fourth Proportional to 227,187.60, 313,506.09 and 125,212.76
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Solution
The fourth proportional to 227,187.60, 313,506.09 and 125,212.76 is: 172,786.55
Step by Step Solution
- Step 1: Write the proportion equation
227,187.60 : 313,506.09 = 125,212.76 : x - Step 2: Convert to fraction form
227,187.60/313,506.09 = 125,212.76/x - Step 3: Cross multiply
227,187.60x = 313,506.09 × 125,212.76 - Step 4: Simplify right side
227,187.60x = 39,254,961,238.18 - Step 5: Solve for x
x = 39,254,961,238.18/227,187.60 - Step 6: Final answer
x = 172,786.55
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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.