Finding the Fourth Proportional to 226,916.10, 340,374.15 and 202,421.70
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Solution
The fourth proportional to 226,916.10, 340,374.15 and 202,421.70 is: 303,632.55
Step by Step Solution
- Step 1: Write the proportion equation
226,916.10 : 340,374.15 = 202,421.70 : x - Step 2: Convert to fraction form
226,916.10/340,374.15 = 202,421.70/x - Step 3: Cross multiply
226,916.10x = 340,374.15 × 202,421.70 - Step 4: Simplify right side
226,916.10x = 68,899,114,079.06 - Step 5: Solve for x
x = 68,899,114,079.06/226,916.10 - Step 6: Final answer
x = 303,632.55
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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.