Finding the Fourth Proportional to 184,859.99, 255,106.95 and 99,977.05
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Solution
The fourth proportional to 184,859.99, 255,106.95 and 99,977.05 is: 137,968.42
Step by Step Solution
- Step 1: Write the proportion equation
184,859.99 : 255,106.95 = 99,977.05 : x - Step 2: Convert to fraction form
184,859.99/255,106.95 = 99,977.05/x - Step 3: Cross multiply
184,859.99x = 255,106.95 × 99,977.05 - Step 4: Simplify right side
184,859.99x = 25,504,840,295.50 - Step 5: Solve for x
x = 25,504,840,295.50/184,859.99 - Step 6: Final answer
x = 137,968.42
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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.