Finding the Fourth Proportional to 543,688.75, 750,269.71 and 301,986.82
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Solution
The fourth proportional to 543,688.75, 750,269.71 and 301,986.82 is: 416,730.28
Step by Step Solution
- Step 1: Write the proportion equation
543,688.75 : 750,269.71 = 301,986.82 : x - Step 2: Convert to fraction form
543,688.75/750,269.71 = 301,986.82/x - Step 3: Cross multiply
543,688.75x = 750,269.71 × 301,986.82 - Step 4: Simplify right side
543,688.75x = 226,571,563,865.22 - Step 5: Solve for x
x = 226,571,563,865.22/543,688.75 - Step 6: Final answer
x = 416,730.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.