Finding the Fourth Proportional to 243,183.28, 364,764.12 and 74,696.80
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Solution
The fourth proportional to 243,183.28, 364,764.12 and 74,696.80 is: 112,041.88
Step by Step Solution
- Step 1: Write the proportion equation
243,183.28 : 364,764.12 = 74,696.80 : x - Step 2: Convert to fraction form
243,183.28/364,764.12 = 74,696.80/x - Step 3: Cross multiply
243,183.28x = 364,764.12 × 74,696.80 - Step 4: Simplify right side
243,183.28x = 27,246,712,518.82 - Step 5: Solve for x
x = 27,246,712,518.82/243,183.28 - Step 6: Final answer
x = 112,041.88
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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.