Finding the Fourth Proportional to 129,935.04, 194,886.36 and 36,448.08
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Solution
The fourth proportional to 129,935.04, 194,886.36 and 36,448.08 is: 54,667.58
Step by Step Solution
- Step 1: Write the proportion equation
129,935.04 : 194,886.36 = 36,448.08 : x - Step 2: Convert to fraction form
129,935.04/194,886.36 = 36,448.08/x - Step 3: Cross multiply
129,935.04x = 194,886.36 × 36,448.08 - Step 4: Simplify right side
129,935.04x = 7,103,233,640.19 - Step 5: Solve for x
x = 7,103,233,640.19/129,935.04 - Step 6: Final answer
x = 54,667.58
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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.