Finding the Fourth Proportional to 753,757.11, 1,130,392.58 and 248,197.86
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Solution
The fourth proportional to 753,757.11, 1,130,392.58 and 248,197.86 is: 372,216.75
Step by Step Solution
- Step 1: Write the proportion equation
753,757.11 : 1,130,392.58 = 248,197.86 : x - Step 2: Convert to fraction form
753,757.11/1,130,392.58 = 248,197.86/x - Step 3: Cross multiply
753,757.11x = 1,130,392.58 × 248,197.86 - Step 4: Simplify right side
753,757.11x = 280,561,018,074.89 - Step 5: Solve for x
x = 280,561,018,074.89/753,757.11 - Step 6: Final answer
x = 372,216.75
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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.