Finding the Fourth Proportional to 101,198.99, 151,562.34 and 79,996.70
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Solution
The fourth proportional to 101,198.99, 151,562.34 and 79,996.70 is: 119,808.38
Step by Step Solution
- Step 1: Write the proportion equation
101,198.99 : 151,562.34 = 79,996.70 : x - Step 2: Convert to fraction form
101,198.99/151,562.34 = 79,996.70/x - Step 3: Cross multiply
101,198.99x = 151,562.34 × 79,996.70 - Step 4: Simplify right side
101,198.99x = 12,124,487,423.18 - Step 5: Solve for x
x = 12,124,487,423.18/101,198.99 - Step 6: Final answer
x = 119,808.38
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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.