Finding the Fourth Proportional to 439,564.41, 659,321.12 and 169,639.76
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Solution
The fourth proportional to 439,564.41, 659,321.12 and 169,639.76 is: 254,449.81
Step by Step Solution
- Step 1: Write the proportion equation
439,564.41 : 659,321.12 = 169,639.76 : x - Step 2: Convert to fraction form
439,564.41/659,321.12 = 169,639.76/x - Step 3: Cross multiply
439,564.41x = 659,321.12 × 169,639.76 - Step 4: Simplify right side
439,564.41x = 111,847,078,632.13 - Step 5: Solve for x
x = 111,847,078,632.13/439,564.41 - Step 6: Final answer
x = 254,449.81
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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.