Finding the Fourth Proportional to 352,714.71, 486,885.88 and 245,347.05
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Solution
The fourth proportional to 352,714.71, 486,885.88 and 245,347.05 is: 338,676.02
Step by Step Solution
- Step 1: Write the proportion equation
352,714.71 : 486,885.88 = 245,347.05 : x - Step 2: Convert to fraction form
352,714.71/486,885.88 = 245,347.05/x - Step 3: Cross multiply
352,714.71x = 486,885.88 × 245,347.05 - Step 4: Simplify right side
352,714.71x = 119,456,014,344.65 - Step 5: Solve for x
x = 119,456,014,344.65/352,714.71 - Step 6: Final answer
x = 338,676.02
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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.