Finding the Fourth Proportional to 513,952.19, 770,485.26 and 247,899.69
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Solution
The fourth proportional to 513,952.19, 770,485.26 and 247,899.69 is: 371,635.85
Step by Step Solution
- Step 1: Write the proportion equation
513,952.19 : 770,485.26 = 247,899.69 : x - Step 2: Convert to fraction form
513,952.19/770,485.26 = 247,899.69/x - Step 3: Cross multiply
513,952.19x = 770,485.26 × 247,899.69 - Step 4: Simplify right side
513,952.19x = 191,003,058,033.19 - Step 5: Solve for x
x = 191,003,058,033.19/513,952.19 - Step 6: Final answer
x = 371,635.85
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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.