Finding the Fourth Proportional to 110,204.20, 165,306.30 and 103,637.80
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Solution
The fourth proportional to 110,204.20, 165,306.30 and 103,637.80 is: 155,456.70
Step by Step Solution
- Step 1: Write the proportion equation
110,204.20 : 165,306.30 = 103,637.80 : x - Step 2: Convert to fraction form
110,204.20/165,306.30 = 103,637.80/x - Step 3: Cross multiply
110,204.20x = 165,306.30 × 103,637.80 - Step 4: Simplify right side
110,204.20x = 17,131,981,258.14 - Step 5: Solve for x
x = 17,131,981,258.14/110,204.20 - Step 6: Final answer
x = 155,456.70
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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.