Finding the Fourth Proportional to 331,201.44, 495,276.12 and 245,973.24
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Solution
The fourth proportional to 331,201.44, 495,276.12 and 245,973.24 is: 367,826.52
Step by Step Solution
- Step 1: Write the proportion equation
331,201.44 : 495,276.12 = 245,973.24 : x - Step 2: Convert to fraction form
331,201.44/495,276.12 = 245,973.24/x - Step 3: Cross multiply
331,201.44x = 495,276.12 × 245,973.24 - Step 4: Simplify right side
331,201.44x = 121,824,671,931.03 - Step 5: Solve for x
x = 121,824,671,931.03/331,201.44 - Step 6: Final answer
x = 367,826.52
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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.