Finding the Fourth Proportional to 513,913.18, 770,361.26 and 243,566.19
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Solution
The fourth proportional to 513,913.18, 770,361.26 and 243,566.19 is: 365,108.28
Step by Step Solution
- Step 1: Write the proportion equation
513,913.18 : 770,361.26 = 243,566.19 : x - Step 2: Convert to fraction form
513,913.18/770,361.26 = 243,566.19/x - Step 3: Cross multiply
513,913.18x = 770,361.26 × 243,566.19 - Step 4: Simplify right side
513,913.18x = 187,633,956,489.00 - Step 5: Solve for x
x = 187,633,956,489.00/513,913.18 - Step 6: Final answer
x = 365,108.28
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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.