Finding the Fourth Proportional to 264,395.12, 396,617.70 and 86,902.88
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Solution
The fourth proportional to 264,395.12, 396,617.70 and 86,902.88 is: 130,362.54
Step by Step Solution
- Step 1: Write the proportion equation
264,395.12 : 396,617.70 = 86,902.88 : x - Step 2: Convert to fraction form
264,395.12/396,617.70 = 86,902.88/x - Step 3: Cross multiply
264,395.12x = 396,617.70 × 86,902.88 - Step 4: Simplify right side
264,395.12x = 34,467,220,388.98 - Step 5: Solve for x
x = 34,467,220,388.98/264,395.12 - Step 6: Final answer
x = 130,362.54
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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.