Finding the Fourth Proportional to 226,124.70, 312,107.67 and 130,688.70
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Solution
The fourth proportional to 226,124.70, 312,107.67 and 130,688.70 is: 180,382.53
Step by Step Solution
- Step 1: Write the proportion equation
226,124.70 : 312,107.67 = 130,688.70 : x - Step 2: Convert to fraction form
226,124.70/312,107.67 = 130,688.70/x - Step 3: Cross multiply
226,124.70x = 312,107.67 × 130,688.70 - Step 4: Simplify right side
226,124.70x = 40,788,945,652.33 - Step 5: Solve for x
x = 40,788,945,652.33/226,124.70 - Step 6: Final answer
x = 180,382.53
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1.5x scale
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.