Finding the Fourth Proportional to 301,563.26, 452,332.74 and 76,929.20
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Solution
The fourth proportional to 301,563.26, 452,332.74 and 76,929.20 is: 115,390.70
Step by Step Solution
- Step 1: Write the proportion equation
301,563.26 : 452,332.74 = 76,929.20 : x - Step 2: Convert to fraction form
301,563.26/452,332.74 = 76,929.20/x - Step 3: Cross multiply
301,563.26x = 452,332.74 × 76,929.20 - Step 4: Simplify right side
301,563.26x = 34,797,595,822.01 - Step 5: Solve for x
x = 34,797,595,822.01/301,563.26 - Step 6: Final answer
x = 115,390.70
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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.