Finding the Fourth Proportional to 341,788.70, 471,801.26 and 305,916.43
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Solution
The fourth proportional to 341,788.70, 471,801.26 and 305,916.43 is: 422,283.59
Step by Step Solution
- Step 1: Write the proportion equation
341,788.70 : 471,801.26 = 305,916.43 : x - Step 2: Convert to fraction form
341,788.70/471,801.26 = 305,916.43/x - Step 3: Cross multiply
341,788.70x = 471,801.26 × 305,916.43 - Step 4: Simplify right side
341,788.70x = 144,331,758,483.24 - Step 5: Solve for x
x = 144,331,758,483.24/341,788.70 - Step 6: Final answer
x = 422,283.59
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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.