Finding the Fourth Proportional to 228,175.72, 341,739.52 and 113,972.99
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Solution
The fourth proportional to 228,175.72, 341,739.52 and 113,972.99 is: 170,697.72
Step by Step Solution
- Step 1: Write the proportion equation
228,175.72 : 341,739.52 = 113,972.99 : x - Step 2: Convert to fraction form
228,175.72/341,739.52 = 113,972.99/x - Step 3: Cross multiply
228,175.72x = 341,739.52 × 113,972.99 - Step 4: Simplify right side
228,175.72x = 38,949,074,895.56 - Step 5: Solve for x
x = 38,949,074,895.56/228,175.72 - Step 6: Final answer
x = 170,697.72
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1.5x scale
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.