Finding the Fourth Proportional to 343,739.50, 474,353.38 and 190,768.81
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Solution
The fourth proportional to 343,739.50, 474,353.38 and 190,768.81 is: 263,256.99
Step by Step Solution
- Step 1: Write the proportion equation
343,739.50 : 474,353.38 = 190,768.81 : x - Step 2: Convert to fraction form
343,739.50/474,353.38 = 190,768.81/x - Step 3: Cross multiply
343,739.50x = 474,353.38 × 190,768.81 - Step 4: Simplify right side
343,739.50x = 90,491,826,496.47 - Step 5: Solve for x
x = 90,491,826,496.47/343,739.50 - Step 6: Final answer
x = 263,256.99
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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.