Finding the Fourth Proportional to 272,109.12, 375,379.92 and 234,317.76
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Solution
The fourth proportional to 272,109.12, 375,379.92 and 234,317.76 is: 323,245.99
Step by Step Solution
- Step 1: Write the proportion equation
272,109.12 : 375,379.92 = 234,317.76 : x - Step 2: Convert to fraction form
272,109.12/375,379.92 = 234,317.76/x - Step 3: Cross multiply
272,109.12x = 375,379.92 × 234,317.76 - Step 4: Simplify right side
272,109.12x = 87,958,182,003.38 - Step 5: Solve for x
x = 87,958,182,003.38/272,109.12 - Step 6: Final answer
x = 323,245.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.