Finding the Fourth Proportional to 195,412.60, 292,244.10 and 163,919.80
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Solution
The fourth proportional to 195,412.60, 292,244.10 and 163,919.80 is: 245,145.88
Step by Step Solution
- Step 1: Write the proportion equation
195,412.60 : 292,244.10 = 163,919.80 : x - Step 2: Convert to fraction form
195,412.60/292,244.10 = 163,919.80/x - Step 3: Cross multiply
195,412.60x = 292,244.10 × 163,919.80 - Step 4: Simplify right side
195,412.60x = 47,904,594,423.18 - Step 5: Solve for x
x = 47,904,594,423.18/195,412.60 - Step 6: Final answer
x = 245,145.88
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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.