Finding the Fourth Proportional to 454,625.21, 681,937.81 and 201,846.28
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Solution
The fourth proportional to 454,625.21, 681,937.81 and 201,846.28 is: 302,769.42
Step by Step Solution
- Step 1: Write the proportion equation
454,625.21 : 681,937.81 = 201,846.28 : x - Step 2: Convert to fraction form
454,625.21/681,937.81 = 201,846.28/x - Step 3: Cross multiply
454,625.21x = 681,937.81 × 201,846.28 - Step 4: Simplify right side
454,625.21x = 137,646,609,776.71 - Step 5: Solve for x
x = 137,646,609,776.71/454,625.21 - Step 6: Final answer
x = 302,769.42
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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.