Finding the Fourth Proportional to 159,752.72, 239,664.36 and 47,442.08
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Solution
The fourth proportional to 159,752.72, 239,664.36 and 47,442.08 is: 71,173.60
Step by Step Solution
- Step 1: Write the proportion equation
159,752.72 : 239,664.36 = 47,442.08 : x - Step 2: Convert to fraction form
159,752.72/239,664.36 = 47,442.08/x - Step 3: Cross multiply
159,752.72x = 239,664.36 × 47,442.08 - Step 4: Simplify right side
159,752.72x = 11,370,175,740.27 - Step 5: Solve for x
x = 11,370,175,740.27/159,752.72 - Step 6: Final answer
x = 71,173.60
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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.