Finding the Fourth Proportional to 258,132.21, 356,226.92 and 150,706.77
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Solution
The fourth proportional to 258,132.21, 356,226.92 and 150,706.77 is: 207,977.95
Step by Step Solution
- Step 1: Write the proportion equation
258,132.21 : 356,226.92 = 150,706.77 : x - Step 2: Convert to fraction form
258,132.21/356,226.92 = 150,706.77/x - Step 3: Cross multiply
258,132.21x = 356,226.92 × 150,706.77 - Step 4: Simplify right side
258,132.21x = 53,685,808,500.25 - Step 5: Solve for x
x = 53,685,808,500.25/258,132.21 - Step 6: Final answer
x = 207,977.95
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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.