Finding the Fourth Proportional to 225,756.53, 311,558.01 and 125,154.53
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Solution
The fourth proportional to 225,756.53, 311,558.01 and 125,154.53 is: 172,721.01
Step by Step Solution
- Step 1: Write the proportion equation
225,756.53 : 311,558.01 = 125,154.53 : x - Step 2: Convert to fraction form
225,756.53/311,558.01 = 125,154.53/x - Step 3: Cross multiply
225,756.53x = 311,558.01 × 125,154.53 - Step 4: Simplify right side
225,756.53x = 38,992,896,309.29 - Step 5: Solve for x
x = 38,992,896,309.29/225,756.53 - Step 6: Final answer
x = 172,721.01
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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.