Finding the Fourth Proportional to 406,819.52, 561,410.87 and 225,530.99
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Solution
The fourth proportional to 406,819.52, 561,410.87 and 225,530.99 is: 311,232.72
Step by Step Solution
- Step 1: Write the proportion equation
406,819.52 : 561,410.87 = 225,530.99 : x - Step 2: Convert to fraction form
406,819.52/561,410.87 = 225,530.99/x - Step 3: Cross multiply
406,819.52x = 561,410.87 × 225,530.99 - Step 4: Simplify right side
406,819.52x = 126,615,545,373.15 - Step 5: Solve for x
x = 126,615,545,373.15/406,819.52 - Step 6: Final answer
x = 311,232.72
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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.