Finding the Fourth Proportional to 177,994.20, 245,607.70 and 106,359.08
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Solution
The fourth proportional to 177,994.20, 245,607.70 and 106,359.08 is: 146,761.01
Step by Step Solution
- Step 1: Write the proportion equation
177,994.20 : 245,607.70 = 106,359.08 : x - Step 2: Convert to fraction form
177,994.20/245,607.70 = 106,359.08/x - Step 3: Cross multiply
177,994.20x = 245,607.70 × 106,359.08 - Step 4: Simplify right side
177,994.20x = 26,122,609,012.92 - Step 5: Solve for x
x = 26,122,609,012.92/177,994.20 - Step 6: Final answer
x = 146,761.01
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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.