Finding the Fourth Proportional to 331,621.64, 497,529.35 and 106,977.12
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Solution
The fourth proportional to 331,621.64, 497,529.35 and 106,977.12 is: 160,496.94
Step by Step Solution
- Step 1: Write the proportion equation
331,621.64 : 497,529.35 = 106,977.12 : x - Step 2: Convert to fraction form
331,621.64/497,529.35 = 106,977.12/x - Step 3: Cross multiply
331,621.64x = 497,529.35 × 106,977.12 - Step 4: Simplify right side
331,621.64x = 53,224,256,978.47 - Step 5: Solve for x
x = 53,224,256,978.47/331,621.64 - Step 6: Final answer
x = 160,496.94
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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.