Finding the Fourth Proportional to 155,346.99, 232,519.29 and 80,363.88
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Solution
The fourth proportional to 155,346.99, 232,519.29 and 80,363.88 is: 120,286.54
Step by Step Solution
- Step 1: Write the proportion equation
155,346.99 : 232,519.29 = 80,363.88 : x - Step 2: Convert to fraction form
155,346.99/232,519.29 = 80,363.88/x - Step 3: Cross multiply
155,346.99x = 232,519.29 × 80,363.88 - Step 4: Simplify right side
155,346.99x = 18,686,152,319.25 - Step 5: Solve for x
x = 18,686,152,319.25/155,346.99 - Step 6: Final answer
x = 120,286.54
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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.