Finding the Fourth Proportional to 248,966.84, 343,463.10 and 153,438.68
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Solution
The fourth proportional to 248,966.84, 343,463.10 and 153,438.68 is: 211,676.88
Step by Step Solution
- Step 1: Write the proportion equation
248,966.84 : 343,463.10 = 153,438.68 : x - Step 2: Convert to fraction form
248,966.84/343,463.10 = 153,438.68/x - Step 3: Cross multiply
248,966.84x = 343,463.10 × 153,438.68 - Step 4: Simplify right side
248,966.84x = 52,700,524,692.71 - Step 5: Solve for x
x = 52,700,524,692.71/248,966.84 - Step 6: Final answer
x = 211,676.88
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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.