Finding the Fourth Proportional to 298,357.85, 411,743.99 and 162,396.79
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Solution
The fourth proportional to 298,357.85, 411,743.99 and 162,396.79 is: 224,113.09
Step by Step Solution
- Step 1: Write the proportion equation
298,357.85 : 411,743.99 = 162,396.79 : x - Step 2: Convert to fraction form
298,357.85/411,743.99 = 162,396.79/x - Step 3: Cross multiply
298,357.85x = 411,743.99 × 162,396.79 - Step 4: Simplify right side
298,357.85x = 66,865,901,654.42 - Step 5: Solve for x
x = 66,865,901,654.42/298,357.85 - Step 6: Final answer
x = 224,113.09
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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.