Finding the Fourth Proportional to 172,317.24, 258,475.95 and 53,997.84
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Solution
The fourth proportional to 172,317.24, 258,475.95 and 53,997.84 is: 80,996.79
Step by Step Solution
- Step 1: Write the proportion equation
172,317.24 : 258,475.95 = 53,997.84 : x - Step 2: Convert to fraction form
172,317.24/258,475.95 = 53,997.84/x - Step 3: Cross multiply
172,317.24x = 258,475.95 × 53,997.84 - Step 4: Simplify right side
172,317.24x = 13,957,142,721.96 - Step 5: Solve for x
x = 13,957,142,721.96/172,317.24 - Step 6: Final answer
x = 80,996.79
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1.5x scale
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.