Finding the Fourth Proportional to 511,778.97, 767,497.28 and 170,143.65
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Solution
The fourth proportional to 511,778.97, 767,497.28 and 170,143.65 is: 255,158.57
Step by Step Solution
- Step 1: Write the proportion equation
511,778.97 : 767,497.28 = 170,143.65 : x - Step 2: Convert to fraction form
511,778.97/767,497.28 = 170,143.65/x - Step 3: Cross multiply
511,778.97x = 767,497.28 × 170,143.65 - Step 4: Simplify right side
511,778.97x = 130,584,787,733.55 - Step 5: Solve for x
x = 130,584,787,733.55/511,778.97 - Step 6: Final answer
x = 255,158.57
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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.