Finding the Fourth Proportional to 449,767.62, 620,750.79 and 258,743.70
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Solution
The fourth proportional to 449,767.62, 620,750.79 and 258,743.70 is: 357,107.42
Step by Step Solution
- Step 1: Write the proportion equation
449,767.62 : 620,750.79 = 258,743.70 : x - Step 2: Convert to fraction form
449,767.62/620,750.79 = 258,743.70/x - Step 3: Cross multiply
449,767.62x = 620,750.79 × 258,743.70 - Step 4: Simplify right side
449,767.62x = 160,615,356,182.52 - Step 5: Solve for x
x = 160,615,356,182.52/449,767.62 - Step 6: Final answer
x = 357,107.42
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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.