Finding the Fourth Proportional to 410,749.12, 615,860.04 and 171,029.12
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Solution
The fourth proportional to 410,749.12, 615,860.04 and 171,029.12 is: 256,433.90
Step by Step Solution
- Step 1: Write the proportion equation
410,749.12 : 615,860.04 = 171,029.12 : x - Step 2: Convert to fraction form
410,749.12/615,860.04 = 171,029.12/x - Step 3: Cross multiply
410,749.12x = 615,860.04 × 171,029.12 - Step 4: Simplify right side
410,749.12x = 105,330,000,684.37 - Step 5: Solve for x
x = 105,330,000,684.37/410,749.12 - Step 6: Final answer
x = 256,433.90
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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.