Finding the Fourth Proportional to 225,288.26, 310,898.79 and 121,922.47
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Solution
The fourth proportional to 225,288.26, 310,898.79 and 121,922.47 is: 168,253.55
Step by Step Solution
- Step 1: Write the proportion equation
225,288.26 : 310,898.79 = 121,922.47 : x - Step 2: Convert to fraction form
225,288.26/310,898.79 = 121,922.47/x - Step 3: Cross multiply
225,288.26x = 310,898.79 × 121,922.47 - Step 4: Simplify right side
225,288.26x = 37,905,548,396.81 - Step 5: Solve for x
x = 37,905,548,396.81/225,288.26 - Step 6: Final answer
x = 168,253.55
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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.