Finding the Fourth Proportional to 399,979.68, 552,028.33 and 245,023.44
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Solution
The fourth proportional to 399,979.68, 552,028.33 and 245,023.44 is: 338,166.88
Step by Step Solution
- Step 1: Write the proportion equation
399,979.68 : 552,028.33 = 245,023.44 : x - Step 2: Convert to fraction form
399,979.68/552,028.33 = 245,023.44/x - Step 3: Cross multiply
399,979.68x = 552,028.33 × 245,023.44 - Step 4: Simplify right side
399,979.68x = 135,259,880,394.06 - Step 5: Solve for x
x = 135,259,880,394.06/399,979.68 - Step 6: Final answer
x = 338,166.88
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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.