Finding the Fourth Proportional to 381,756.09, 572,704.50 and 125,603.06
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Solution
The fourth proportional to 381,756.09, 572,704.50 and 125,603.06 is: 188,427.74
Step by Step Solution
- Step 1: Write the proportion equation
381,756.09 : 572,704.50 = 125,603.06 : x - Step 2: Convert to fraction form
381,756.09/572,704.50 = 125,603.06/x - Step 3: Cross multiply
381,756.09x = 572,704.50 × 125,603.06 - Step 4: Simplify right side
381,756.09x = 71,933,436,816.21 - Step 5: Solve for x
x = 71,933,436,816.21/381,756.09 - Step 6: Final answer
x = 188,427.74
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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.