Finding the Fourth Proportional to 439,366.60, 659,122.80 and 173,135.80
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Solution
The fourth proportional to 439,366.60, 659,122.80 and 173,135.80 is: 259,732.43
Step by Step Solution
- Step 1: Write the proportion equation
439,366.60 : 659,122.80 = 173,135.80 : x - Step 2: Convert to fraction form
439,366.60/659,122.80 = 173,135.80/x - Step 3: Cross multiply
439,366.60x = 659,122.80 × 173,135.80 - Step 4: Simplify right side
439,366.60x = 114,117,753,276.24 - Step 5: Solve for x
x = 114,117,753,276.24/439,366.60 - Step 6: Final answer
x = 259,732.43
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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.