Finding the Fourth Proportional to 155,589.75, 214,660.68 and 94,354.65
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Solution
The fourth proportional to 155,589.75, 214,660.68 and 94,354.65 is: 130,177.17
Step by Step Solution
- Step 1: Write the proportion equation
155,589.75 : 214,660.68 = 94,354.65 : x - Step 2: Convert to fraction form
155,589.75/214,660.68 = 94,354.65/x - Step 3: Cross multiply
155,589.75x = 214,660.68 × 94,354.65 - Step 4: Simplify right side
155,589.75x = 20,254,233,330.16 - Step 5: Solve for x
x = 20,254,233,330.16/155,589.75 - Step 6: Final answer
x = 130,177.17
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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.