Finding the Fourth Proportional to 297,313.28, 445,966.10 and 72,675.68
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Solution
The fourth proportional to 297,313.28, 445,966.10 and 72,675.68 is: 109,012.59
Step by Step Solution
- Step 1: Write the proportion equation
297,313.28 : 445,966.10 = 72,675.68 : x - Step 2: Convert to fraction form
297,313.28/445,966.10 = 72,675.68/x - Step 3: Cross multiply
297,313.28x = 445,966.10 × 72,675.68 - Step 4: Simplify right side
297,313.28x = 32,410,890,171.13 - Step 5: Solve for x
x = 32,410,890,171.13/297,313.28 - Step 6: Final answer
x = 109,012.59
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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.