Finding the Fourth Proportional to 185,903.13, 256,546.13 and 101,019.99
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Solution
The fourth proportional to 185,903.13, 256,546.13 and 101,019.99 is: 139,407.48
Step by Step Solution
- Step 1: Write the proportion equation
185,903.13 : 256,546.13 = 101,019.99 : x - Step 2: Convert to fraction form
185,903.13/256,546.13 = 101,019.99/x - Step 3: Cross multiply
185,903.13x = 256,546.13 × 101,019.99 - Step 4: Simplify right side
185,903.13x = 25,916,286,982.04 - Step 5: Solve for x
x = 25,916,286,982.04/185,903.13 - Step 6: Final answer
x = 139,407.48
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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.