Finding the Fourth Proportional to 134,364.34, 201,588.63 and 55,515.70
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Solution
The fourth proportional to 134,364.34, 201,588.63 and 55,515.70 is: 83,290.95
Step by Step Solution
- Step 1: Write the proportion equation
134,364.34 : 201,588.63 = 55,515.70 : x - Step 2: Convert to fraction form
134,364.34/201,588.63 = 55,515.70/x - Step 3: Cross multiply
134,364.34x = 201,588.63 × 55,515.70 - Step 4: Simplify right side
134,364.34x = 11,191,333,906.49 - Step 5: Solve for x
x = 11,191,333,906.49/134,364.34 - Step 6: Final answer
x = 83,290.95
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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.