Finding the Fourth Proportional to 338,561.42, 507,682.94 and 125,181.90
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Solution
The fourth proportional to 338,561.42, 507,682.94 and 125,181.90 is: 187,713.99
Step by Step Solution
- Step 1: Write the proportion equation
338,561.42 : 507,682.94 = 125,181.90 : x - Step 2: Convert to fraction form
338,561.42/507,682.94 = 125,181.90/x - Step 3: Cross multiply
338,561.42x = 507,682.94 × 125,181.90 - Step 4: Simplify right side
338,561.42x = 63,552,714,400.88 - Step 5: Solve for x
x = 63,552,714,400.88/338,561.42 - Step 6: Final answer
x = 187,713.99
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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.