Finding the Fourth Proportional to 403,714.14, 605,689.64 and 119,412.20
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Solution
The fourth proportional to 403,714.14, 605,689.64 and 119,412.20 is: 179,153.32
Step by Step Solution
- Step 1: Write the proportion equation
403,714.14 : 605,689.64 = 119,412.20 : x - Step 2: Convert to fraction form
403,714.14/605,689.64 = 119,412.20/x - Step 3: Cross multiply
403,714.14x = 605,689.64 × 119,412.20 - Step 4: Simplify right side
403,714.14x = 72,326,728,804.10 - Step 5: Solve for x
x = 72,326,728,804.10/403,714.14 - Step 6: Final answer
x = 179,153.32
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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.