Finding the Fourth Proportional to 615,949.70, 924,422.09 and 261,212.63
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Solution
The fourth proportional to 615,949.70, 924,422.09 and 261,212.63 is: 392,029.94
Step by Step Solution
- Step 1: Write the proportion equation
615,949.70 : 924,422.09 = 261,212.63 : x - Step 2: Convert to fraction form
615,949.70/924,422.09 = 261,212.63/x - Step 3: Cross multiply
615,949.70x = 924,422.09 × 261,212.63 - Step 4: Simplify right side
615,949.70x = 241,470,719,430.82 - Step 5: Solve for x
x = 241,470,719,430.82/615,949.70 - Step 6: Final answer
x = 392,029.94
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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.