Finding the Fourth Proportional to 262,121.35, 392,551.41 and 149,460.02
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Solution
The fourth proportional to 262,121.35, 392,551.41 and 149,460.02 is: 223,830.45
Step by Step Solution
- Step 1: Write the proportion equation
262,121.35 : 392,551.41 = 149,460.02 : x - Step 2: Convert to fraction form
262,121.35/392,551.41 = 149,460.02/x - Step 3: Cross multiply
262,121.35x = 392,551.41 × 149,460.02 - Step 4: Simplify right side
262,121.35x = 58,670,739,626.87 - Step 5: Solve for x
x = 58,670,739,626.87/262,121.35 - Step 6: Final answer
x = 223,830.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.