Finding the Fourth Proportional to 328,209.24, 492,270.11 and 91,532.10
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Solution
The fourth proportional to 328,209.24, 492,270.11 and 91,532.10 is: 137,285.95
Step by Step Solution
- Step 1: Write the proportion equation
328,209.24 : 492,270.11 = 91,532.10 : x - Step 2: Convert to fraction form
328,209.24/492,270.11 = 91,532.10/x - Step 3: Cross multiply
328,209.24x = 492,270.11 × 91,532.10 - Step 4: Simplify right side
328,209.24x = 45,058,516,477.87 - Step 5: Solve for x
x = 45,058,516,477.87/328,209.24 - Step 6: Final answer
x = 137,285.95
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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.