Finding the Fourth Proportional to 135,017.28, 186,334.74 and 74,593.19
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Solution
The fourth proportional to 135,017.28, 186,334.74 and 74,593.19 is: 102,944.62
Step by Step Solution
- Step 1: Write the proportion equation
135,017.28 : 186,334.74 = 74,593.19 : x - Step 2: Convert to fraction form
135,017.28/186,334.74 = 74,593.19/x - Step 3: Cross multiply
135,017.28x = 186,334.74 × 74,593.19 - Step 4: Simplify right side
135,017.28x = 13,899,303,130.26 - Step 5: Solve for x
x = 13,899,303,130.26/135,017.28 - Step 6: Final answer
x = 102,944.62
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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.