Finding the Fourth Proportional to 351,284.58, 526,926.06 and 271,438.63
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Solution
The fourth proportional to 351,284.58, 526,926.06 and 271,438.63 is: 407,157.32
Step by Step Solution
- Step 1: Write the proportion equation
351,284.58 : 526,926.06 = 271,438.63 : x - Step 2: Convert to fraction form
351,284.58/526,926.06 = 271,438.63/x - Step 3: Cross multiply
351,284.58x = 526,926.06 × 271,438.63 - Step 4: Simplify right side
351,284.58x = 143,028,086,520.38 - Step 5: Solve for x
x = 143,028,086,520.38/351,284.58 - Step 6: Final answer
x = 407,157.32
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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.