Finding the Fourth Proportional to 492,518.84, 738,778.40 and 118,541.84
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Solution
The fourth proportional to 492,518.84, 738,778.40 and 118,541.84 is: 177,812.79
Step by Step Solution
- Step 1: Write the proportion equation
492,518.84 : 738,778.40 = 118,541.84 : x - Step 2: Convert to fraction form
492,518.84/738,778.40 = 118,541.84/x - Step 3: Cross multiply
492,518.84x = 738,778.40 × 118,541.84 - Step 4: Simplify right side
492,518.84x = 87,576,150,888.26 - Step 5: Solve for x
x = 87,576,150,888.26/492,518.84 - Step 6: Final answer
x = 177,812.79
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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.