Finding the Fourth Proportional to 381,390.96, 526,317.84 and 211,624.68
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Solution
The fourth proportional to 381,390.96, 526,317.84 and 211,624.68 is: 292,041.12
Step by Step Solution
- Step 1: Write the proportion equation
381,390.96 : 526,317.84 = 211,624.68 : x - Step 2: Convert to fraction form
381,390.96/526,317.84 = 211,624.68/x - Step 3: Cross multiply
381,390.96x = 526,317.84 × 211,624.68 - Step 4: Simplify right side
381,390.96x = 111,381,844,468.29 - Step 5: Solve for x
x = 111,381,844,468.29/381,390.96 - Step 6: Final answer
x = 292,041.12
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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.