Finding the Fourth Proportional to 599,381.70, 899,132.68 and 172,928.09
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Solution
The fourth proportional to 599,381.70, 899,132.68 and 172,928.09 is: 259,409.48
Step by Step Solution
- Step 1: Write the proportion equation
599,381.70 : 899,132.68 = 172,928.09 : x - Step 2: Convert to fraction form
599,381.70/899,132.68 = 172,928.09/x - Step 3: Cross multiply
599,381.70x = 899,132.68 × 172,928.09 - Step 4: Simplify right side
599,381.70x = 155,485,292,513.32 - Step 5: Solve for x
x = 155,485,292,513.32/599,381.70 - Step 6: Final answer
x = 259,409.48
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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.