Finding the Fourth Proportional to 187,762.66, 259,122.84 and 107,216.06
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Solution
The fourth proportional to 187,762.66, 259,122.84 and 107,216.06 is: 147,964.08
Step by Step Solution
- Step 1: Write the proportion equation
187,762.66 : 259,122.84 = 107,216.06 : x - Step 2: Convert to fraction form
187,762.66/259,122.84 = 107,216.06/x - Step 3: Cross multiply
187,762.66x = 259,122.84 × 107,216.06 - Step 4: Simplify right side
187,762.66x = 27,782,128,665.20 - Step 5: Solve for x
x = 27,782,128,665.20/187,762.66 - Step 6: Final answer
x = 147,964.08
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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.