Finding the Fourth Proportional to 254,935.08, 351,814.86 and 140,226.12
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Solution
The fourth proportional to 254,935.08, 351,814.86 and 140,226.12 is: 193,514.49
Step by Step Solution
- Step 1: Write the proportion equation
254,935.08 : 351,814.86 = 140,226.12 : x - Step 2: Convert to fraction form
254,935.08/351,814.86 = 140,226.12/x - Step 3: Cross multiply
254,935.08x = 351,814.86 × 140,226.12 - Step 4: Simplify right side
254,935.08x = 49,333,632,776.14 - Step 5: Solve for x
x = 49,333,632,776.14/254,935.08 - Step 6: Final answer
x = 193,514.49
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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.