Finding the Fourth Proportional to 539,527.80, 809,758.20 and 207,337.08
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Solution
The fourth proportional to 539,527.80, 809,758.20 and 207,337.08 is: 311,184.89
Step by Step Solution
- Step 1: Write the proportion equation
539,527.80 : 809,758.20 = 207,337.08 : x - Step 2: Convert to fraction form
539,527.80/809,758.20 = 207,337.08/x - Step 3: Cross multiply
539,527.80x = 809,758.20 × 207,337.08 - Step 4: Simplify right side
539,527.80x = 167,892,900,694.06 - Step 5: Solve for x
x = 167,892,900,694.06/539,527.80 - Step 6: Final answer
x = 311,184.89
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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.