Finding the Fourth Proportional to 513,606.53, 770,630.36 and 198,284.87
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Solution
The fourth proportional to 513,606.53, 770,630.36 and 198,284.87 is: 297,512.46
Step by Step Solution
- Step 1: Write the proportion equation
513,606.53 : 770,630.36 = 198,284.87 : x - Step 2: Convert to fraction form
513,606.53/770,630.36 = 198,284.87/x - Step 3: Cross multiply
513,606.53x = 770,630.36 × 198,284.87 - Step 4: Simplify right side
513,606.53x = 152,804,339,759.23 - Step 5: Solve for x
x = 152,804,339,759.23/513,606.53 - Step 6: Final answer
x = 297,512.46
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1.5x scale
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.