Finding the Fourth Proportional to 259,409.08, 357,984.78 and 140,177.08
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Solution
The fourth proportional to 259,409.08, 357,984.78 and 140,177.08 is: 193,444.51
Step by Step Solution
- Step 1: Write the proportion equation
259,409.08 : 357,984.78 = 140,177.08 : x - Step 2: Convert to fraction form
259,409.08/357,984.78 = 140,177.08/x - Step 3: Cross multiply
259,409.08x = 357,984.78 × 140,177.08 - Step 4: Simplify right side
259,409.08x = 50,181,261,144.84 - Step 5: Solve for x
x = 50,181,261,144.84/259,409.08 - Step 6: Final answer
x = 193,444.51
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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.