Finding the Fourth Proportional to 144,873.12, 217,221.84 and 56,051.76
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Solution
The fourth proportional to 144,873.12, 217,221.84 and 56,051.76 is: 84,043.65
Step by Step Solution
- Step 1: Write the proportion equation
144,873.12 : 217,221.84 = 56,051.76 : x - Step 2: Convert to fraction form
144,873.12/217,221.84 = 56,051.76/x - Step 3: Cross multiply
144,873.12x = 217,221.84 × 56,051.76 - Step 4: Simplify right side
144,873.12x = 12,175,666,442.44 - Step 5: Solve for x
x = 12,175,666,442.44/144,873.12 - Step 6: Final answer
x = 84,043.65
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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.