Finding the Fourth Proportional to 248,486.20, 372,437.70 and 106,331.20
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Solution
The fourth proportional to 248,486.20, 372,437.70 and 106,331.20 is: 159,372.02
Step by Step Solution
- Step 1: Write the proportion equation
248,486.20 : 372,437.70 = 106,331.20 : x - Step 2: Convert to fraction form
248,486.20/372,437.70 = 106,331.20/x - Step 3: Cross multiply
248,486.20x = 372,437.70 × 106,331.20 - Step 4: Simplify right side
248,486.20x = 39,601,747,566.24 - Step 5: Solve for x
x = 39,601,747,566.24/248,486.20 - Step 6: Final answer
x = 159,372.02
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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.