Finding the Fourth Proportional to 343,932.75, 474,627.20 and 193,029.75
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Solution
The fourth proportional to 343,932.75, 474,627.20 and 193,029.75 is: 266,381.06
Step by Step Solution
- Step 1: Write the proportion equation
343,932.75 : 474,627.20 = 193,029.75 : x - Step 2: Convert to fraction form
343,932.75/474,627.20 = 193,029.75/x - Step 3: Cross multiply
343,932.75x = 474,627.20 × 193,029.75 - Step 4: Simplify right side
343,932.75x = 91,617,168,794.05 - Step 5: Solve for x
x = 91,617,168,794.05/343,932.75 - Step 6: Final answer
x = 266,381.06
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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.