Finding the Fourth Proportional to 492,452.19, 738,678.30 and 118,475.19
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Solution
The fourth proportional to 492,452.19, 738,678.30 and 118,475.19 is: 177,712.79
Step by Step Solution
- Step 1: Write the proportion equation
492,452.19 : 738,678.30 = 118,475.19 : x - Step 2: Convert to fraction form
492,452.19/738,678.30 = 118,475.19/x - Step 3: Cross multiply
492,452.19x = 738,678.30 × 118,475.19 - Step 4: Simplify right side
492,452.19x = 87,515,051,349.00 - Step 5: Solve for x
x = 87,515,051,349.00/492,452.19 - Step 6: Final answer
x = 177,712.79
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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.