Finding the Fourth Proportional to 158,753.25, 238,129.88 and 47,945.25
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Solution
The fourth proportional to 158,753.25, 238,129.88 and 47,945.25 is: 71,917.88
Step by Step Solution
- Step 1: Write the proportion equation
158,753.25 : 238,129.88 = 47,945.25 : x - Step 2: Convert to fraction form
158,753.25/238,129.88 = 47,945.25/x - Step 3: Cross multiply
158,753.25x = 238,129.88 × 47,945.25 - Step 4: Simplify right side
158,753.25x = 11,417,196,389.34 - Step 5: Solve for x
x = 11,417,196,389.34/158,753.25 - Step 6: Final answer
x = 71,917.88
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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.