Finding the Fourth Proportional to 243,559.20, 336,101.12 and 133,175.84
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Solution
The fourth proportional to 243,559.20, 336,101.12 and 133,175.84 is: 183,776.88
Step by Step Solution
- Step 1: Write the proportion equation
243,559.20 : 336,101.12 = 133,175.84 : x - Step 2: Convert to fraction form
243,559.20/336,101.12 = 133,175.84/x - Step 3: Cross multiply
243,559.20x = 336,101.12 × 133,175.84 - Step 4: Simplify right side
243,559.20x = 44,760,548,980.94 - Step 5: Solve for x
x = 44,760,548,980.94/243,559.20 - Step 6: Final answer
x = 183,776.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.