Finding the Fourth Proportional to 135,029.90, 201,961.65 and 114,034.70
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Solution
The fourth proportional to 135,029.90, 201,961.65 and 114,034.70 is: 170,559.53
Step by Step Solution
- Step 1: Write the proportion equation
135,029.90 : 201,961.65 = 114,034.70 : x - Step 2: Convert to fraction form
135,029.90/201,961.65 = 114,034.70/x - Step 3: Cross multiply
135,029.90x = 201,961.65 × 114,034.70 - Step 4: Simplify right side
135,029.90x = 23,030,636,169.26 - Step 5: Solve for x
x = 23,030,636,169.26/135,029.90 - Step 6: Final answer
x = 170,559.53
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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.