Finding the Fourth Proportional to 317,633.98, 438,335.58 and 174,403.10
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Solution
The fourth proportional to 317,633.98, 438,335.58 and 174,403.10 is: 240,676.66
Step by Step Solution
- Step 1: Write the proportion equation
317,633.98 : 438,335.58 = 174,403.10 : x - Step 2: Convert to fraction form
317,633.98/438,335.58 = 174,403.10/x - Step 3: Cross multiply
317,633.98x = 438,335.58 × 174,403.10 - Step 4: Simplify right side
317,633.98x = 76,447,083,992.30 - Step 5: Solve for x
x = 76,447,083,992.30/317,633.98 - Step 6: Final answer
x = 240,676.66
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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.