Finding the Fourth Proportional to 513,737.26, 770,515.66 and 158,754.36
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Solution
The fourth proportional to 513,737.26, 770,515.66 and 158,754.36 is: 238,103.66
Step by Step Solution
- Step 1: Write the proportion equation
513,737.26 : 770,515.66 = 158,754.36 : x - Step 2: Convert to fraction form
513,737.26/770,515.66 = 158,754.36/x - Step 3: Cross multiply
513,737.26x = 770,515.66 × 158,754.36 - Step 4: Simplify right side
513,737.26x = 122,322,720,473.28 - Step 5: Solve for x
x = 122,322,720,473.28/513,737.26 - Step 6: Final answer
x = 238,103.66
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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.