Finding the Fourth Proportional to 462,714.02, 638,540.88 and 258,762.62
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Solution
The fourth proportional to 462,714.02, 638,540.88 and 258,762.62 is: 357,089.92
Step by Step Solution
- Step 1: Write the proportion equation
462,714.02 : 638,540.88 = 258,762.62 : x - Step 2: Convert to fraction form
462,714.02/638,540.88 = 258,762.62/x - Step 3: Cross multiply
462,714.02x = 638,540.88 × 258,762.62 - Step 4: Simplify right side
462,714.02x = 165,230,511,085.91 - Step 5: Solve for x
x = 165,230,511,085.91/462,714.02 - Step 6: Final answer
x = 357,089.92
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1.5x scale
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.