Finding the Fourth Proportional to 201,670.53, 278,305.28 and 112,267.65
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Solution
The fourth proportional to 201,670.53, 278,305.28 and 112,267.65 is: 154,929.33
Step by Step Solution
- Step 1: Write the proportion equation
201,670.53 : 278,305.28 = 112,267.65 : x - Step 2: Convert to fraction form
201,670.53/278,305.28 = 112,267.65/x - Step 3: Cross multiply
201,670.53x = 278,305.28 × 112,267.65 - Step 4: Simplify right side
201,670.53x = 31,244,679,206.85 - Step 5: Solve for x
x = 31,244,679,206.85/201,670.53 - Step 6: Final answer
x = 154,929.33
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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.