Finding the Fourth Proportional to 513,339.93, 768,847.14 and 247,291.38
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Solution
The fourth proportional to 513,339.93, 768,847.14 and 247,291.38 is: 370,376.94
Step by Step Solution
- Step 1: Write the proportion equation
513,339.93 : 768,847.14 = 247,291.38 : x - Step 2: Convert to fraction form
513,339.93/768,847.14 = 247,291.38/x - Step 3: Cross multiply
513,339.93x = 768,847.14 × 247,291.38 - Step 4: Simplify right side
513,339.93x = 190,129,270,259.65 - Step 5: Solve for x
x = 190,129,270,259.65/513,339.93 - Step 6: Final answer
x = 370,376.94
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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.