Finding the Fourth Proportional to 381,197.96, 526,053.52 and 211,432.08
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Solution
The fourth proportional to 381,197.96, 526,053.52 and 211,432.08 is: 291,776.46
Step by Step Solution
- Step 1: Write the proportion equation
381,197.96 : 526,053.52 = 211,432.08 : x - Step 2: Convert to fraction form
381,197.96/526,053.52 = 211,432.08/x - Step 3: Cross multiply
381,197.96x = 526,053.52 × 211,432.08 - Step 4: Simplify right side
381,197.96x = 111,224,589,924.92 - Step 5: Solve for x
x = 111,224,589,924.92/381,197.96 - Step 6: Final answer
x = 291,776.46
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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.