Finding the Fourth Proportional to 490,394.04, 735,589.74 and 130,564.92
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Solution
The fourth proportional to 490,394.04, 735,589.74 and 130,564.92 is: 195,847.03
Step by Step Solution
- Step 1: Write the proportion equation
490,394.04 : 735,589.74 = 130,564.92 : x - Step 2: Convert to fraction form
490,394.04/735,589.74 = 130,564.92/x - Step 3: Cross multiply
490,394.04x = 735,589.74 × 130,564.92 - Step 4: Simplify right side
490,394.04x = 96,042,215,555.92 - Step 5: Solve for x
x = 96,042,215,555.92/490,394.04 - Step 6: Final answer
x = 195,847.03
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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.