Finding the Fourth Proportional to 574,215.78, 861,448.21 and 174,846.09
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Solution
The fourth proportional to 574,215.78, 861,448.21 and 174,846.09 is: 262,307.06
Step by Step Solution
- Step 1: Write the proportion equation
574,215.78 : 861,448.21 = 174,846.09 : x - Step 2: Convert to fraction form
574,215.78/861,448.21 = 174,846.09/x - Step 3: Cross multiply
574,215.78x = 861,448.21 × 174,846.09 - Step 4: Simplify right side
574,215.78x = 150,620,850,381.77 - Step 5: Solve for x
x = 150,620,850,381.77/574,215.78 - Step 6: Final answer
x = 262,307.06
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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.