Finding the Fourth Proportional to 460,278.68, 690,097.14 and 203,971.68
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Solution
The fourth proportional to 460,278.68, 690,097.14 and 203,971.68 is: 305,815.32
Step by Step Solution
- Step 1: Write the proportion equation
460,278.68 : 690,097.14 = 203,971.68 : x - Step 2: Convert to fraction form
460,278.68/690,097.14 = 203,971.68/x - Step 3: Cross multiply
460,278.68x = 690,097.14 × 203,971.68 - Step 4: Simplify right side
460,278.68x = 140,760,273,009.00 - Step 5: Solve for x
x = 140,760,273,009.00/460,278.68 - Step 6: Final answer
x = 305,815.32
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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.