Finding the Fourth Proportional to 245,650.76, 339,013.50 and 148,863.09
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Solution
The fourth proportional to 245,650.76, 339,013.50 and 148,863.09 is: 205,440.42
Step by Step Solution
- Step 1: Write the proportion equation
245,650.76 : 339,013.50 = 148,863.09 : x - Step 2: Convert to fraction form
245,650.76/339,013.50 = 148,863.09/x - Step 3: Cross multiply
245,650.76x = 339,013.50 × 148,863.09 - Step 4: Simplify right side
245,650.76x = 50,466,595,332.18 - Step 5: Solve for x
x = 50,466,595,332.18/245,650.76 - Step 6: Final answer
x = 205,440.42
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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.