Finding the Fourth Proportional to 399,044.56, 598,249.68 and 230,374.12
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Solution
The fourth proportional to 399,044.56, 598,249.68 and 230,374.12 is: 345,378.08
Step by Step Solution
- Step 1: Write the proportion equation
399,044.56 : 598,249.68 = 230,374.12 : x - Step 2: Convert to fraction form
399,044.56/598,249.68 = 230,374.12/x - Step 3: Cross multiply
399,044.56x = 598,249.68 × 230,374.12 - Step 4: Simplify right side
399,044.56x = 137,821,243,570.28 - Step 5: Solve for x
x = 137,821,243,570.28/399,044.56 - Step 6: Final answer
x = 345,378.08
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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.