Finding the Fourth Proportional to 393,628.08, 590,451.24 and 140,925.84
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Solution
The fourth proportional to 393,628.08, 590,451.24 and 140,925.84 is: 211,392.03
Step by Step Solution
- Step 1: Write the proportion equation
393,628.08 : 590,451.24 = 140,925.84 : x - Step 2: Convert to fraction form
393,628.08/590,451.24 = 140,925.84/x - Step 3: Cross multiply
393,628.08x = 590,451.24 × 140,925.84 - Step 4: Simplify right side
393,628.08x = 83,209,836,976.04 - Step 5: Solve for x
x = 83,209,836,976.04/393,628.08 - Step 6: Final answer
x = 211,392.03
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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.