Finding the Fourth Proportional to 513,300.36, 769,406.20 and 197,620.68
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Solution
The fourth proportional to 513,300.36, 769,406.20 and 197,620.68 is: 296,221.45
Step by Step Solution
- Step 1: Write the proportion equation
513,300.36 : 769,406.20 = 197,620.68 : x - Step 2: Convert to fraction form
513,300.36/769,406.20 = 197,620.68/x - Step 3: Cross multiply
513,300.36x = 769,406.20 × 197,620.68 - Step 4: Simplify right side
513,300.36x = 152,050,576,440.22 - Step 5: Solve for x
x = 152,050,576,440.22/513,300.36 - Step 6: Final answer
x = 296,221.45
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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.