Finding the Fourth Proportional to 199,633.10, 299,449.65 and 164,203.70
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Solution
The fourth proportional to 199,633.10, 299,449.65 and 164,203.70 is: 246,305.55
Step by Step Solution
- Step 1: Write the proportion equation
199,633.10 : 299,449.65 = 164,203.70 : x - Step 2: Convert to fraction form
199,633.10/299,449.65 = 164,203.70/x - Step 3: Cross multiply
199,633.10x = 299,449.65 × 164,203.70 - Step 4: Simplify right side
199,633.10x = 49,170,740,493.71 - Step 5: Solve for x
x = 49,170,740,493.71/199,633.10 - Step 6: Final answer
x = 246,305.55
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1.5x scale
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.