Finding the Fourth Proportional to 194,521.04, 291,698.94 and 76,173.56
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Solution
The fourth proportional to 194,521.04, 291,698.94 and 76,173.56 is: 114,227.99
Step by Step Solution
- Step 1: Write the proportion equation
194,521.04 : 291,698.94 = 76,173.56 : x - Step 2: Convert to fraction form
194,521.04/291,698.94 = 76,173.56/x - Step 3: Cross multiply
194,521.04x = 291,698.94 × 76,173.56 - Step 4: Simplify right side
194,521.04x = 22,219,746,708.03 - Step 5: Solve for x
x = 22,219,746,708.03/194,521.04 - Step 6: Final answer
x = 114,227.99
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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.