Finding the Fourth Proportional to 407,135.22, 610,080.06 and 217,622.58
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Solution
The fourth proportional to 407,135.22, 610,080.06 and 217,622.58 is: 326,100.99
Step by Step Solution
- Step 1: Write the proportion equation
407,135.22 : 610,080.06 = 217,622.58 : x - Step 2: Convert to fraction form
407,135.22/610,080.06 = 217,622.58/x - Step 3: Cross multiply
407,135.22x = 610,080.06 × 217,622.58 - Step 4: Simplify right side
407,135.22x = 132,767,196,663.76 - Step 5: Solve for x
x = 132,767,196,663.76/407,135.22 - Step 6: Final answer
x = 326,100.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.