Finding the Fourth Proportional to 155,351.12, 232,525.49 and 80,368.00
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Solution
The fourth proportional to 155,351.12, 232,525.49 and 80,368.00 is: 120,292.72
Step by Step Solution
- Step 1: Write the proportion equation
155,351.12 : 232,525.49 = 80,368.00 : x - Step 2: Convert to fraction form
155,351.12/232,525.49 = 80,368.00/x - Step 3: Cross multiply
155,351.12x = 232,525.49 × 80,368.00 - Step 4: Simplify right side
155,351.12x = 18,687,607,597.17 - Step 5: Solve for x
x = 18,687,607,597.17/155,351.12 - Step 6: Final answer
x = 120,292.72
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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.