Finding the Fourth Proportional to 396,106.56, 546,598.80 and 224,023.68
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Solution
The fourth proportional to 396,106.56, 546,598.80 and 224,023.68 is: 309,136.70
Step by Step Solution
- Step 1: Write the proportion equation
396,106.56 : 546,598.80 = 224,023.68 : x - Step 2: Convert to fraction form
396,106.56/546,598.80 = 224,023.68/x - Step 3: Cross multiply
396,106.56x = 546,598.80 × 224,023.68 - Step 4: Simplify right side
396,106.56x = 122,451,074,659.58 - Step 5: Solve for x
x = 122,451,074,659.58/396,106.56 - Step 6: Final answer
x = 309,136.70
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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.