Finding the Fourth Proportional to 439,378.75, 659,068.26 and 106,954.75
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Solution
The fourth proportional to 439,378.75, 659,068.26 and 106,954.75 is: 160,432.16
Step by Step Solution
- Step 1: Write the proportion equation
439,378.75 : 659,068.26 = 106,954.75 : x - Step 2: Convert to fraction form
439,378.75/659,068.26 = 106,954.75/x - Step 3: Cross multiply
439,378.75x = 659,068.26 × 106,954.75 - Step 4: Simplify right side
439,378.75x = 70,490,480,981.24 - Step 5: Solve for x
x = 70,490,480,981.24/439,378.75 - Step 6: Final answer
x = 160,432.16
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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.