Finding the Fourth Proportional to 740,126.21, 1,110,229.68 and 234,650.62
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Solution
The fourth proportional to 740,126.21, 1,110,229.68 and 234,650.62 is: 351,988.73
Step by Step Solution
- Step 1: Write the proportion equation
740,126.21 : 1,110,229.68 = 234,650.62 : x - Step 2: Convert to fraction form
740,126.21/1,110,229.68 = 234,650.62/x - Step 3: Cross multiply
740,126.21x = 1,110,229.68 × 234,650.62 - Step 4: Simplify right side
740,126.21x = 260,516,081,581.15 - Step 5: Solve for x
x = 260,516,081,581.15/740,126.21 - Step 6: Final answer
x = 351,988.73
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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.