Finding the Fourth Proportional to 341,881.83, 471,794.36 and 188,930.34
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Solution
The fourth proportional to 341,881.83, 471,794.36 and 188,930.34 is: 260,722.45
Step by Step Solution
- Step 1: Write the proportion equation
341,881.83 : 471,794.36 = 188,930.34 : x - Step 2: Convert to fraction form
341,881.83/471,794.36 = 188,930.34/x - Step 3: Cross multiply
341,881.83x = 471,794.36 × 188,930.34 - Step 4: Simplify right side
341,881.83x = 89,136,267,900.23 - Step 5: Solve for x
x = 89,136,267,900.23/341,881.83 - Step 6: Final answer
x = 260,722.45
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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.