Finding the Fourth Proportional to 381,378.96, 526,301.28 and 211,612.68
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Solution
The fourth proportional to 381,378.96, 526,301.28 and 211,612.68 is: 292,024.56
Step by Step Solution
- Step 1: Write the proportion equation
381,378.96 : 526,301.28 = 211,612.68 : x - Step 2: Convert to fraction form
381,378.96/526,301.28 = 211,612.68/x - Step 3: Cross multiply
381,378.96x = 526,301.28 × 211,612.68 - Step 4: Simplify right side
381,378.96x = 111,372,024,348.23 - Step 5: Solve for x
x = 111,372,024,348.23/381,378.96 - Step 6: Final answer
x = 292,024.56
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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.