Finding the Fourth Proportional to 137,430.69, 206,107.65 and 48,660.36
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Solution
The fourth proportional to 137,430.69, 206,107.65 and 48,660.36 is: 72,976.95
Step by Step Solution
- Step 1: Write the proportion equation
137,430.69 : 206,107.65 = 48,660.36 : x - Step 2: Convert to fraction form
137,430.69/206,107.65 = 48,660.36/x - Step 3: Cross multiply
137,430.69x = 206,107.65 × 48,660.36 - Step 4: Simplify right side
137,430.69x = 10,029,272,447.75 - Step 5: Solve for x
x = 10,029,272,447.75/137,430.69 - Step 6: Final answer
x = 72,976.95
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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.