Finding the Fourth Proportional to 519,730.75, 717,228.44 and 281,266.75
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Solution
The fourth proportional to 519,730.75, 717,228.44 and 281,266.75 is: 388,148.12
Step by Step Solution
- Step 1: Write the proportion equation
519,730.75 : 717,228.44 = 281,266.75 : x - Step 2: Convert to fraction form
519,730.75/717,228.44 = 281,266.75/x - Step 3: Cross multiply
519,730.75x = 717,228.44 × 281,266.75 - Step 4: Simplify right side
519,730.75x = 201,732,512,326.37 - Step 5: Solve for x
x = 201,732,512,326.37/519,730.75 - Step 6: Final answer
x = 388,148.12
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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.