Finding the Fourth Proportional to 513,237.26, 769,806.36 and 158,155.94
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Solution
The fourth proportional to 513,237.26, 769,806.36 and 158,155.94 is: 237,218.65
Step by Step Solution
- Step 1: Write the proportion equation
513,237.26 : 769,806.36 = 158,155.94 : x - Step 2: Convert to fraction form
513,237.26/769,806.36 = 158,155.94/x - Step 3: Cross multiply
513,237.26x = 769,806.36 × 158,155.94 - Step 4: Simplify right side
513,237.26x = 121,749,448,483.78 - Step 5: Solve for x
x = 121,749,448,483.78/513,237.26 - Step 6: Final answer
x = 237,218.65
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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.