Finding the Fourth Proportional to 177,785.19, 245,405.34 and 102,363.75
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Solution
The fourth proportional to 177,785.19, 245,405.34 and 102,363.75 is: 141,297.54
Step by Step Solution
- Step 1: Write the proportion equation
177,785.19 : 245,405.34 = 102,363.75 : x - Step 2: Convert to fraction form
177,785.19/245,405.34 = 102,363.75/x - Step 3: Cross multiply
177,785.19x = 245,405.34 × 102,363.75 - Step 4: Simplify right side
177,785.19x = 25,120,609,133.58 - Step 5: Solve for x
x = 25,120,609,133.58/177,785.19 - Step 6: Final answer
x = 141,297.54
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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.