Finding the Fourth Proportional to 293,703.34, 440,555.35 and 80,473.07
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Solution
The fourth proportional to 293,703.34, 440,555.35 and 80,473.07 is: 120,709.70
Step by Step Solution
- Step 1: Write the proportion equation
293,703.34 : 440,555.35 = 80,473.07 : x - Step 2: Convert to fraction form
293,703.34/440,555.35 = 80,473.07/x - Step 3: Cross multiply
293,703.34x = 440,555.35 × 80,473.07 - Step 4: Simplify right side
293,703.34x = 35,452,841,519.42 - Step 5: Solve for x
x = 35,452,841,519.42/293,703.34 - Step 6: Final answer
x = 120,709.70
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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.