Finding the Fourth Proportional to 293,642.80, 440,464.20 and 230,657.20
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Solution
The fourth proportional to 293,642.80, 440,464.20 and 230,657.20 is: 345,985.80
Step by Step Solution
- Step 1: Write the proportion equation
293,642.80 : 440,464.20 = 230,657.20 : x - Step 2: Convert to fraction form
293,642.80/440,464.20 = 230,657.20/x - Step 3: Cross multiply
293,642.80x = 440,464.20 × 230,657.20 - Step 4: Simplify right side
293,642.80x = 101,596,239,072.24 - Step 5: Solve for x
x = 101,596,239,072.24/293,642.80 - Step 6: Final answer
x = 345,985.80
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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.