Finding the Fourth Proportional to 351,391.14, 484,919.07 and 190,246.28
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Solution
The fourth proportional to 351,391.14, 484,919.07 and 190,246.28 is: 262,539.49
Step by Step Solution
- Step 1: Write the proportion equation
351,391.14 : 484,919.07 = 190,246.28 : x - Step 2: Convert to fraction form
351,391.14/484,919.07 = 190,246.28/x - Step 3: Cross multiply
351,391.14x = 484,919.07 × 190,246.28 - Step 4: Simplify right side
351,391.14x = 92,254,049,168.56 - Step 5: Solve for x
x = 92,254,049,168.56/351,391.14 - Step 6: Final answer
x = 262,539.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.