Finding the Fourth Proportional to 134,454.60, 201,660.30 and 40,938.60
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Solution
The fourth proportional to 134,454.60, 201,660.30 and 40,938.60 is: 61,401.32
Step by Step Solution
- Step 1: Write the proportion equation
134,454.60 : 201,660.30 = 40,938.60 : x - Step 2: Convert to fraction form
134,454.60/201,660.30 = 40,938.60/x - Step 3: Cross multiply
134,454.60x = 201,660.30 × 40,938.60 - Step 4: Simplify right side
134,454.60x = 8,255,690,357.58 - Step 5: Solve for x
x = 8,255,690,357.58/134,454.60 - Step 6: Final answer
x = 61,401.32
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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.