Finding the Fourth Proportional to 324,851.20, 487,276.80 and 246,119.20
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Solution
The fourth proportional to 324,851.20, 487,276.80 and 246,119.20 is: 369,178.80
Step by Step Solution
- Step 1: Write the proportion equation
324,851.20 : 487,276.80 = 246,119.20 : x - Step 2: Convert to fraction form
324,851.20/487,276.80 = 246,119.20/x - Step 3: Cross multiply
324,851.20x = 487,276.80 × 246,119.20 - Step 4: Simplify right side
324,851.20x = 119,928,176,194.56 - Step 5: Solve for x
x = 119,928,176,194.56/324,851.20 - Step 6: Final answer
x = 369,178.80
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1.5x scale
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.