Finding the Fourth Proportional to 381,182.26, 526,018.08 and 211,432.18
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Solution
The fourth proportional to 381,182.26, 526,018.08 and 211,432.18 is: 291,768.95
Step by Step Solution
- Step 1: Write the proportion equation
381,182.26 : 526,018.08 = 211,432.18 : x - Step 2: Convert to fraction form
381,182.26/526,018.08 = 211,432.18/x - Step 3: Cross multiply
381,182.26x = 526,018.08 × 211,432.18 - Step 4: Simplify right side
381,182.26x = 111,217,149,373.81 - Step 5: Solve for x
x = 111,217,149,373.81/381,182.26 - Step 6: Final answer
x = 291,768.95
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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.