Finding the Fourth Proportional to 226,389.18, 339,140.05 and 131,420.23
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Solution
The fourth proportional to 226,389.18, 339,140.05 and 131,420.23 is: 196,872.76
Step by Step Solution
- Step 1: Write the proportion equation
226,389.18 : 339,140.05 = 131,420.23 : x - Step 2: Convert to fraction form
226,389.18/339,140.05 = 131,420.23/x - Step 3: Cross multiply
226,389.18x = 339,140.05 × 131,420.23 - Step 4: Simplify right side
226,389.18x = 44,569,863,373.21 - Step 5: Solve for x
x = 44,569,863,373.21/226,389.18 - Step 6: Final answer
x = 196,872.76
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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.