Finding the Fourth Proportional to 299,054.30, 412,758.99 and 171,800.06
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Solution
The fourth proportional to 299,054.30, 412,758.99 and 171,800.06 is: 237,120.88
Step by Step Solution
- Step 1: Write the proportion equation
299,054.30 : 412,758.99 = 171,800.06 : x - Step 2: Convert to fraction form
299,054.30/412,758.99 = 171,800.06/x - Step 3: Cross multiply
299,054.30x = 412,758.99 × 171,800.06 - Step 4: Simplify right side
299,054.30x = 70,912,017,183.74 - Step 5: Solve for x
x = 70,912,017,183.74/299,054.30 - Step 6: Final answer
x = 237,120.88
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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.