Finding the Fourth Proportional to 299,125.83, 412,794.93 and 163,162.68
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Solution
The fourth proportional to 299,125.83, 412,794.93 and 163,162.68 is: 225,165.20
Step by Step Solution
- Step 1: Write the proportion equation
299,125.83 : 412,794.93 = 163,162.68 : x - Step 2: Convert to fraction form
299,125.83/412,794.93 = 163,162.68/x - Step 3: Cross multiply
299,125.83x = 412,794.93 × 163,162.68 - Step 4: Simplify right side
299,125.83x = 67,352,727,069.21 - Step 5: Solve for x
x = 67,352,727,069.21/299,125.83 - Step 6: Final answer
x = 225,165.20
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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.