Finding the Fourth Proportional to 342,372.18, 513,558.48 and 129,082.17
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Solution
The fourth proportional to 342,372.18, 513,558.48 and 129,082.17 is: 193,623.33
Step by Step Solution
- Step 1: Write the proportion equation
342,372.18 : 513,558.48 = 129,082.17 : x - Step 2: Convert to fraction form
342,372.18/513,558.48 = 129,082.17/x - Step 3: Cross multiply
342,372.18x = 513,558.48 × 129,082.17 - Step 4: Simplify right side
342,372.18x = 66,291,243,020.30 - Step 5: Solve for x
x = 66,291,243,020.30/342,372.18 - Step 6: Final answer
x = 193,623.33
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1.5x scale
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.