Finding the Fourth Proportional to 298,506.36, 411,946.62 and 162,546.03
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Solution
The fourth proportional to 298,506.36, 411,946.62 and 162,546.03 is: 224,317.79
Step by Step Solution
- Step 1: Write the proportion equation
298,506.36 : 411,946.62 = 162,546.03 : x - Step 2: Convert to fraction form
298,506.36/411,946.62 = 162,546.03/x - Step 3: Cross multiply
298,506.36x = 411,946.62 × 162,546.03 - Step 4: Simplify right side
298,506.36x = 66,960,287,652.92 - Step 5: Solve for x
x = 66,960,287,652.92/298,506.36 - Step 6: Final answer
x = 224,317.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.