Finding the Fourth Proportional to 159,767.44, 239,688.08 and 47,445.20
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Solution
The fourth proportional to 159,767.44, 239,688.08 and 47,445.20 is: 71,178.76
Step by Step Solution
- Step 1: Write the proportion equation
159,767.44 : 239,688.08 = 47,445.20 : x - Step 2: Convert to fraction form
159,767.44/239,688.08 = 47,445.20/x - Step 3: Cross multiply
159,767.44x = 239,688.08 × 47,445.20 - Step 4: Simplify right side
159,767.44x = 11,372,048,893.22 - Step 5: Solve for x
x = 11,372,048,893.22/159,767.44 - Step 6: Final answer
x = 71,178.76
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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.