Finding the Fourth Proportional to 519,756.84, 717,264.36 and 281,292.84
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Solution
The fourth proportional to 519,756.84, 717,264.36 and 281,292.84 is: 388,184.08
Step by Step Solution
- Step 1: Write the proportion equation
519,756.84 : 717,264.36 = 281,292.84 : x - Step 2: Convert to fraction form
519,756.84/717,264.36 = 281,292.84/x - Step 3: Cross multiply
519,756.84x = 717,264.36 × 281,292.84 - Step 4: Simplify right side
519,756.84x = 201,761,328,855.18 - Step 5: Solve for x
x = 201,761,328,855.18/519,756.84 - Step 6: Final answer
x = 388,184.08
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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.