Finding the Fourth Proportional to 134,154.88, 201,261.36 and 40,667.68
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Solution
The fourth proportional to 134,154.88, 201,261.36 and 40,667.68 is: 61,010.32
Step by Step Solution
- Step 1: Write the proportion equation
134,154.88 : 201,261.36 = 40,667.68 : x - Step 2: Convert to fraction form
134,154.88/201,261.36 = 40,667.68/x - Step 3: Cross multiply
134,154.88x = 201,261.36 × 40,667.68 - Step 4: Simplify right side
134,154.88x = 8,184,832,584.84 - Step 5: Solve for x
x = 8,184,832,584.84/134,154.88 - Step 6: Final answer
x = 61,010.32
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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.