Finding the Fourth Proportional to 393,627.08, 590,449.74 and 140,924.84
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Solution
The fourth proportional to 393,627.08, 590,449.74 and 140,924.84 is: 211,390.53
Step by Step Solution
- Step 1: Write the proportion equation
393,627.08 : 590,449.74 = 140,924.84 : x - Step 2: Convert to fraction form
393,627.08/590,449.74 = 140,924.84/x - Step 3: Cross multiply
393,627.08x = 590,449.74 × 140,924.84 - Step 4: Simplify right side
393,627.08x = 83,209,035,137.54 - Step 5: Solve for x
x = 83,209,035,137.54/393,627.08 - Step 6: Final answer
x = 211,390.53
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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.