Finding the Fourth Proportional to 309,029.15, 426,450.26 and 171,202.41
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Solution
The fourth proportional to 309,029.15, 426,450.26 and 171,202.41 is: 236,253.80
Step by Step Solution
- Step 1: Write the proportion equation
309,029.15 : 426,450.26 = 171,202.41 : x - Step 2: Convert to fraction form
309,029.15/426,450.26 = 171,202.41/x - Step 3: Cross multiply
309,029.15x = 426,450.26 × 171,202.41 - Step 4: Simplify right side
309,029.15x = 73,009,311,654.95 - Step 5: Solve for x
x = 73,009,311,654.95/309,029.15 - Step 6: Final answer
x = 236,253.80
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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.