Finding the Fourth Proportional to 226,285.74, 312,274.44 and 125,683.74
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Solution
The fourth proportional to 226,285.74, 312,274.44 and 125,683.74 is: 173,443.63
Step by Step Solution
- Step 1: Write the proportion equation
226,285.74 : 312,274.44 = 125,683.74 : x - Step 2: Convert to fraction form
226,285.74/312,274.44 = 125,683.74/x - Step 3: Cross multiply
226,285.74x = 312,274.44 × 125,683.74 - Step 4: Simplify right side
226,285.74x = 39,247,819,525.61 - Step 5: Solve for x
x = 39,247,819,525.61/226,285.74 - Step 6: Final answer
x = 173,443.63
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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.