Finding the Fourth Proportional to 159,730.70, 239,624.74 and 54,525.07
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Solution
The fourth proportional to 159,730.70, 239,624.74 and 54,525.07 is: 81,797.40
Step by Step Solution
- Step 1: Write the proportion equation
159,730.70 : 239,624.74 = 54,525.07 : x - Step 2: Convert to fraction form
159,730.70/239,624.74 = 54,525.07/x - Step 3: Cross multiply
159,730.70x = 239,624.74 × 54,525.07 - Step 4: Simplify right side
159,730.70x = 13,065,555,722.23 - Step 5: Solve for x
x = 13,065,555,722.23/159,730.70 - Step 6: Final answer
x = 81,797.40
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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.