Finding the Fourth Proportional to 342,576.36, 513,867.96 and 153,046.08
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Solution
The fourth proportional to 342,576.36, 513,867.96 and 153,046.08 is: 229,570.65
Step by Step Solution
- Step 1: Write the proportion equation
342,576.36 : 513,867.96 = 153,046.08 : x - Step 2: Convert to fraction form
342,576.36/513,867.96 = 153,046.08/x - Step 3: Cross multiply
342,576.36x = 513,867.96 × 153,046.08 - Step 4: Simplify right side
342,576.36x = 78,645,476,915.60 - Step 5: Solve for x
x = 78,645,476,915.60/342,576.36 - Step 6: Final answer
x = 229,570.65
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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.