Finding the Fourth Proportional to 329,289.21, 454,440.11 and 201,947.49
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Solution
The fourth proportional to 329,289.21, 454,440.11 and 201,947.49 is: 278,700.41
Step by Step Solution
- Step 1: Write the proportion equation
329,289.21 : 454,440.11 = 201,947.49 : x - Step 2: Convert to fraction form
329,289.21/454,440.11 = 201,947.49/x - Step 3: Cross multiply
329,289.21x = 454,440.11 × 201,947.49 - Step 4: Simplify right side
329,289.21x = 91,773,038,560.09 - Step 5: Solve for x
x = 91,773,038,560.09/329,289.21 - Step 6: Final answer
x = 278,700.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.