Finding the Fourth Proportional to 410,649.01, 615,924.99 and 126,339.01
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Solution
The fourth proportional to 410,649.01, 615,924.99 and 126,339.01 is: 189,493.58
Step by Step Solution
- Step 1: Write the proportion equation
410,649.01 : 615,924.99 = 126,339.01 : x - Step 2: Convert to fraction form
410,649.01/615,924.99 = 126,339.01/x - Step 3: Cross multiply
410,649.01x = 615,924.99 × 126,339.01 - Step 4: Simplify right side
410,649.01x = 77,815,351,931.05 - Step 5: Solve for x
x = 77,815,351,931.05/410,649.01 - Step 6: Final answer
x = 189,493.58
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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.