Finding the Fourth Proportional to 134,860.20, 202,520.70 and 88,319.40
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Solution
The fourth proportional to 134,860.20, 202,520.70 and 88,319.40 is: 132,629.99
Step by Step Solution
- Step 1: Write the proportion equation
134,860.20 : 202,520.70 = 88,319.40 : x - Step 2: Convert to fraction form
134,860.20/202,520.70 = 88,319.40/x - Step 3: Cross multiply
134,860.20x = 202,520.70 × 88,319.40 - Step 4: Simplify right side
134,860.20x = 17,886,506,711.58 - Step 5: Solve for x
x = 17,886,506,711.58/134,860.20 - Step 6: Final answer
x = 132,629.99
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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.