Finding the Fourth Proportional to 299,977.44, 449,966.12 and 207,073.68
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Solution
The fourth proportional to 299,977.44, 449,966.12 and 207,073.68 is: 310,610.49
Step by Step Solution
- Step 1: Write the proportion equation
299,977.44 : 449,966.12 = 207,073.68 : x - Step 2: Convert to fraction form
299,977.44/449,966.12 = 207,073.68/x - Step 3: Cross multiply
299,977.44x = 449,966.12 × 207,073.68 - Step 4: Simplify right side
299,977.44x = 93,176,140,343.72 - Step 5: Solve for x
x = 93,176,140,343.72/299,977.44 - Step 6: Final answer
x = 310,610.49
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1.5x scale
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.