Finding the Fourth Proportional to 159,318.80, 239,107.80 and 154,134.80
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Solution
The fourth proportional to 159,318.80, 239,107.80 and 154,134.80 is: 231,327.58
Step by Step Solution
- Step 1: Write the proportion equation
159,318.80 : 239,107.80 = 154,134.80 : x - Step 2: Convert to fraction form
159,318.80/239,107.80 = 154,134.80/x - Step 3: Cross multiply
159,318.80x = 239,107.80 × 154,134.80 - Step 4: Simplify right side
159,318.80x = 36,854,832,931.44 - Step 5: Solve for x
x = 36,854,832,931.44/159,318.80 - Step 6: Final answer
x = 231,327.58
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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.