Finding the Fourth Proportional to 513,365.44, 770,179.36 and 197,737.60
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Solution
The fourth proportional to 513,365.44, 770,179.36 and 197,737.60 is: 296,656.94
Step by Step Solution
- Step 1: Write the proportion equation
513,365.44 : 770,179.36 = 197,737.60 : x - Step 2: Convert to fraction form
513,365.44/770,179.36 = 197,737.60/x - Step 3: Cross multiply
513,365.44x = 770,179.36 × 197,737.60 - Step 4: Simplify right side
513,365.44x = 152,293,418,215.94 - Step 5: Solve for x
x = 152,293,418,215.94/513,365.44 - Step 6: Final answer
x = 296,656.94
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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.