Finding the Fourth Proportional to 165,753.40, 248,632.36 and 47,424.76
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Solution
The fourth proportional to 165,753.40, 248,632.36 and 47,424.76 is: 71,137.79
Step by Step Solution
- Step 1: Write the proportion equation
165,753.40 : 248,632.36 = 47,424.76 : x - Step 2: Convert to fraction form
165,753.40/248,632.36 = 47,424.76/x - Step 3: Cross multiply
165,753.40x = 248,632.36 × 47,424.76 - Step 4: Simplify right side
165,753.40x = 11,791,330,001.23 - Step 5: Solve for x
x = 11,791,330,001.23/165,753.40 - Step 6: Final answer
x = 71,137.79
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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.