Finding the Fourth Proportional to 644,948.62, 967,419.88 and 165,175.49
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Solution
The fourth proportional to 644,948.62, 967,419.88 and 165,175.49 is: 247,762.45
Step by Step Solution
- Step 1: Write the proportion equation
644,948.62 : 967,419.88 = 165,175.49 : x - Step 2: Convert to fraction form
644,948.62/967,419.88 = 165,175.49/x - Step 3: Cross multiply
644,948.62x = 967,419.88 × 165,175.49 - Step 4: Simplify right side
644,948.62x = 159,794,052,714.74 - Step 5: Solve for x
x = 159,794,052,714.74/644,948.62 - Step 6: Final answer
x = 247,762.45
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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.