Finding the Fourth Proportional to 127,358.19, 175,753.40 and 69,214.49
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Solution
The fourth proportional to 127,358.19, 175,753.40 and 69,214.49 is: 95,515.50
Step by Step Solution
- Step 1: Write the proportion equation
127,358.19 : 175,753.40 = 69,214.49 : x - Step 2: Convert to fraction form
127,358.19/175,753.40 = 69,214.49/x - Step 3: Cross multiply
127,358.19x = 175,753.40 × 69,214.49 - Step 4: Simplify right side
127,358.19x = 12,164,680,721.93 - Step 5: Solve for x
x = 12,164,680,721.93/127,358.19 - Step 6: Final answer
x = 95,515.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.