Finding the Fourth Proportional to 339,444.80, 509,037.60 and 102,708.80
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Solution
The fourth proportional to 339,444.80, 509,037.60 and 102,708.80 is: 154,023.99
Step by Step Solution
- Step 1: Write the proportion equation
339,444.80 : 509,037.60 = 102,708.80 : x - Step 2: Convert to fraction form
339,444.80/509,037.60 = 102,708.80/x - Step 3: Cross multiply
339,444.80x = 509,037.60 × 102,708.80 - Step 4: Simplify right side
339,444.80x = 52,282,641,050.88 - Step 5: Solve for x
x = 52,282,641,050.88/339,444.80 - Step 6: Final answer
x = 154,023.99
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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.