Finding the Fourth Proportional to 159,486.57, 239,276.63 and 47,169.74
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Solution
The fourth proportional to 159,486.57, 239,276.63 and 47,169.74 is: 70,768.45
Step by Step Solution
- Step 1: Write the proportion equation
159,486.57 : 239,276.63 = 47,169.74 : x - Step 2: Convert to fraction form
159,486.57/239,276.63 = 47,169.74/x - Step 3: Cross multiply
159,486.57x = 239,276.63 × 47,169.74 - Step 4: Simplify right side
159,486.57x = 11,286,617,141.29 - Step 5: Solve for x
x = 11,286,617,141.29/159,486.57 - Step 6: Final answer
x = 70,768.45
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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.