Finding the Fourth Proportional to 449,768.62, 620,752.17 and 258,744.70
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Solution
The fourth proportional to 449,768.62, 620,752.17 and 258,744.70 is: 357,108.80
Step by Step Solution
- Step 1: Write the proportion equation
449,768.62 : 620,752.17 = 258,744.70 : x - Step 2: Convert to fraction form
449,768.62/620,752.17 = 258,744.70/x - Step 3: Cross multiply
449,768.62x = 620,752.17 × 258,744.70 - Step 4: Simplify right side
449,768.62x = 160,616,334,001.00 - Step 5: Solve for x
x = 160,616,334,001.00/449,768.62 - Step 6: Final answer
x = 357,108.80
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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.