Finding the Fourth Proportional to 130,197.15, 195,294.34 and 98,800.03
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Solution
The fourth proportional to 130,197.15, 195,294.34 and 98,800.03 is: 148,198.99
Step by Step Solution
- Step 1: Write the proportion equation
130,197.15 : 195,294.34 = 98,800.03 : x - Step 2: Convert to fraction form
130,197.15/195,294.34 = 98,800.03/x - Step 3: Cross multiply
130,197.15x = 195,294.34 × 98,800.03 - Step 4: Simplify right side
130,197.15x = 19,295,086,650.83 - Step 5: Solve for x
x = 19,295,086,650.83/130,197.15 - Step 6: Final answer
x = 148,198.99
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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.