Finding the Fourth Proportional to 155,165.87, 232,742.48 and 53,987.08
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Solution
The fourth proportional to 155,165.87, 232,742.48 and 53,987.08 is: 80,978.42
Step by Step Solution
- Step 1: Write the proportion equation
155,165.87 : 232,742.48 = 53,987.08 : x - Step 2: Convert to fraction form
155,165.87/232,742.48 = 53,987.08/x - Step 3: Cross multiply
155,165.87x = 232,742.48 × 53,987.08 - Step 4: Simplify right side
155,165.87x = 12,565,086,617.22 - Step 5: Solve for x
x = 12,565,086,617.22/155,165.87 - Step 6: Final answer
x = 80,978.42
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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.