Finding the Fourth Proportional to 449,023.40, 619,758.66 and 258,147.68
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Solution
The fourth proportional to 449,023.40, 619,758.66 and 258,147.68 is: 356,304.95
Step by Step Solution
- Step 1: Write the proportion equation
449,023.40 : 619,758.66 = 258,147.68 : x - Step 2: Convert to fraction form
449,023.40/619,758.66 = 258,147.68/x - Step 3: Cross multiply
449,023.40x = 619,758.66 × 258,147.68 - Step 4: Simplify right side
449,023.40x = 159,989,260,238.91 - Step 5: Solve for x
x = 159,989,260,238.91/449,023.40 - Step 6: Final answer
x = 356,304.95
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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.