Finding the Fourth Proportional to 176,149.58, 243,288.34 and 115,989.18
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Solution
The fourth proportional to 176,149.58, 243,288.34 and 115,989.18 is: 160,198.03
Step by Step Solution
- Step 1: Write the proportion equation
176,149.58 : 243,288.34 = 115,989.18 : x - Step 2: Convert to fraction form
176,149.58/243,288.34 = 115,989.18/x - Step 3: Cross multiply
176,149.58x = 243,288.34 × 115,989.18 - Step 4: Simplify right side
176,149.58x = 28,218,815,060.16 - Step 5: Solve for x
x = 28,218,815,060.16/176,149.58 - Step 6: Final answer
x = 160,198.03
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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.