Finding the Fourth Proportional to 265,647.31, 366,590.95 and 144,788.60
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Solution
The fourth proportional to 265,647.31, 366,590.95 and 144,788.60 is: 199,806.99
Step by Step Solution
- Step 1: Write the proportion equation
265,647.31 : 366,590.95 = 144,788.60 : x - Step 2: Convert to fraction form
265,647.31/366,590.95 = 144,788.60/x - Step 3: Cross multiply
265,647.31x = 366,590.95 × 144,788.60 - Step 4: Simplify right side
265,647.31x = 53,078,190,423.17 - Step 5: Solve for x
x = 53,078,190,423.17/265,647.31 - Step 6: Final answer
x = 199,806.99
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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.