Finding the Fourth Proportional to 374,093.80, 561,142.86 and 124,775.08
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Solution
The fourth proportional to 374,093.80, 561,142.86 and 124,775.08 is: 187,163.34
Step by Step Solution
- Step 1: Write the proportion equation
374,093.80 : 561,142.86 = 124,775.08 : x - Step 2: Convert to fraction form
374,093.80/561,142.86 = 124,775.08/x - Step 3: Cross multiply
374,093.80x = 561,142.86 × 124,775.08 - Step 4: Simplify right side
374,093.80x = 70,016,645,247.93 - Step 5: Solve for x
x = 70,016,645,247.93/374,093.80 - Step 6: Final answer
x = 187,163.34
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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.