Finding the Fourth Proportional to 440,130.68, 660,188.66 and 140,609.08
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Solution
The fourth proportional to 440,130.68, 660,188.66 and 140,609.08 is: 210,911.27
Step by Step Solution
- Step 1: Write the proportion equation
440,130.68 : 660,188.66 = 140,609.08 : x - Step 2: Convert to fraction form
440,130.68/660,188.66 = 140,609.08/x - Step 3: Cross multiply
440,130.68x = 660,188.66 × 140,609.08 - Step 4: Simplify right side
440,130.68x = 92,828,520,109.03 - Step 5: Solve for x
x = 92,828,520,109.03/440,130.68 - Step 6: Final answer
x = 210,911.27
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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.