Finding the Fourth Proportional to 351,268.21, 526,688.74 and 137,780.29
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Solution
The fourth proportional to 351,268.21, 526,688.74 and 137,780.29 is: 206,586.66
Step by Step Solution
- Step 1: Write the proportion equation
351,268.21 : 526,688.74 = 137,780.29 : x - Step 2: Convert to fraction form
351,268.21/526,688.74 = 137,780.29/x - Step 3: Cross multiply
351,268.21x = 526,688.74 × 137,780.29 - Step 4: Simplify right side
351,268.21x = 72,567,327,336.93 - Step 5: Solve for x
x = 72,567,327,336.93/351,268.21 - Step 6: Final answer
x = 206,586.66
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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.