Finding the Fourth Proportional to 500,027.97, 690,040.42 and 270,585.23
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Solution
The fourth proportional to 500,027.97, 690,040.42 and 270,585.23 is: 373,408.60
Step by Step Solution
- Step 1: Write the proportion equation
500,027.97 : 690,040.42 = 270,585.23 : x - Step 2: Convert to fraction form
500,027.97/690,040.42 = 270,585.23/x - Step 3: Cross multiply
500,027.97x = 690,040.42 × 270,585.23 - Step 4: Simplify right side
500,027.97x = 186,714,744,402.07 - Step 5: Solve for x
x = 186,714,744,402.07/500,027.97 - Step 6: Final answer
x = 373,408.60
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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.