Finding the Fourth Proportional to 210,197.52, 315,202.50 and 76,984.92
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Solution
The fourth proportional to 210,197.52, 315,202.50 and 76,984.92 is: 115,443.03
Step by Step Solution
- Step 1: Write the proportion equation
210,197.52 : 315,202.50 = 76,984.92 : x - Step 2: Convert to fraction form
210,197.52/315,202.50 = 76,984.92/x - Step 3: Cross multiply
210,197.52x = 315,202.50 × 76,984.92 - Step 4: Simplify right side
210,197.52x = 24,265,839,246.30 - Step 5: Solve for x
x = 24,265,839,246.30/210,197.52 - Step 6: Final answer
x = 115,443.03
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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.