Finding the Fourth Proportional to 442,844.51, 664,372.17 and 143,325.09
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Solution
The fourth proportional to 442,844.51, 664,372.17 and 143,325.09 is: 215,021.75
Step by Step Solution
- Step 1: Write the proportion equation
442,844.51 : 664,372.17 = 143,325.09 : x - Step 2: Convert to fraction form
442,844.51/664,372.17 = 143,325.09/x - Step 3: Cross multiply
442,844.51x = 664,372.17 × 143,325.09 - Step 4: Simplify right side
442,844.51x = 95,221,201,058.75 - Step 5: Solve for x
x = 95,221,201,058.75/442,844.51 - Step 6: Final answer
x = 215,021.75
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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.