Finding the Fourth Proportional to 349,745.60, 523,408.80 and 209,604.80
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Solution
The fourth proportional to 349,745.60, 523,408.80 and 209,604.80 is: 313,682.28
Step by Step Solution
- Step 1: Write the proportion equation
349,745.60 : 523,408.80 = 209,604.80 : x - Step 2: Convert to fraction form
349,745.60/523,408.80 = 209,604.80/x - Step 3: Cross multiply
349,745.60x = 523,408.80 × 209,604.80 - Step 4: Simplify right side
349,745.60x = 109,708,996,842.24 - Step 5: Solve for x
x = 109,708,996,842.24/349,745.60 - Step 6: Final answer
x = 313,682.28
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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.