Finding the Fourth Proportional to 134,485.84, 201,539.96 and 106,281.90
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Solution
The fourth proportional to 134,485.84, 201,539.96 and 106,281.90 is: 159,273.64
Step by Step Solution
- Step 1: Write the proportion equation
134,485.84 : 201,539.96 = 106,281.90 : x - Step 2: Convert to fraction form
134,485.84/201,539.96 = 106,281.90/x - Step 3: Cross multiply
134,485.84x = 201,539.96 × 106,281.90 - Step 4: Simplify right side
134,485.84x = 21,420,049,874.72 - Step 5: Solve for x
x = 21,420,049,874.72/134,485.84 - Step 6: Final answer
x = 159,273.64
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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.