Finding the Fourth Proportional to 163,079.99, 225,074.99 and 99,454.70
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Solution
The fourth proportional to 163,079.99, 225,074.99 and 99,454.70 is: 137,262.49
Step by Step Solution
- Step 1: Write the proportion equation
163,079.99 : 225,074.99 = 99,454.70 : x - Step 2: Convert to fraction form
163,079.99/225,074.99 = 99,454.70/x - Step 3: Cross multiply
163,079.99x = 225,074.99 × 99,454.70 - Step 4: Simplify right side
163,079.99x = 22,384,765,607.95 - Step 5: Solve for x
x = 22,384,765,607.95/163,079.99 - Step 6: Final answer
x = 137,262.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.