Finding the Fourth Proportional to 519,727.96, 717,224.70 and 281,263.96
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Solution
The fourth proportional to 519,727.96, 717,224.70 and 281,263.96 is: 388,144.33
Step by Step Solution
- Step 1: Write the proportion equation
519,727.96 : 717,224.70 = 281,263.96 : x - Step 2: Convert to fraction form
519,727.96/717,224.70 = 281,263.96/x - Step 3: Cross multiply
519,727.96x = 717,224.70 × 281,263.96 - Step 4: Simplify right side
519,727.96x = 201,729,459,331.81 - Step 5: Solve for x
x = 201,729,459,331.81/519,727.96 - Step 6: Final answer
x = 388,144.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.