Finding the Fourth Proportional to 455,054.81, 682,576.74 and 118,065.44
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Solution
The fourth proportional to 455,054.81, 682,576.74 and 118,065.44 is: 177,096.75
Step by Step Solution
- Step 1: Write the proportion equation
455,054.81 : 682,576.74 = 118,065.44 : x - Step 2: Convert to fraction form
455,054.81/682,576.74 = 118,065.44/x - Step 3: Cross multiply
455,054.81x = 682,576.74 × 118,065.44 - Step 4: Simplify right side
455,054.81x = 80,588,724,848.31 - Step 5: Solve for x
x = 80,588,724,848.31/455,054.81 - Step 6: Final answer
x = 177,096.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.