Finding the Fourth Proportional to 382,908.68, 574,319.34 and 102,447.56
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Solution
The fourth proportional to 382,908.68, 574,319.34 and 102,447.56 is: 153,659.65
Step by Step Solution
- Step 1: Write the proportion equation
382,908.68 : 574,319.34 = 102,447.56 : x - Step 2: Convert to fraction form
382,908.68/574,319.34 = 102,447.56/x - Step 3: Cross multiply
382,908.68x = 574,319.34 × 102,447.56 - Step 4: Simplify right side
382,908.68x = 58,837,615,043.81 - Step 5: Solve for x
x = 58,837,615,043.81/382,908.68 - Step 6: Final answer
x = 153,659.65
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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.