Finding the Fourth Proportional to 165,488.88, 248,272.29 and 47,161.92
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Solution
The fourth proportional to 165,488.88, 248,272.29 and 47,161.92 is: 70,753.99
Step by Step Solution
- Step 1: Write the proportion equation
165,488.88 : 248,272.29 = 47,161.92 : x - Step 2: Convert to fraction form
165,488.88/248,272.29 = 47,161.92/x - Step 3: Cross multiply
165,488.88x = 248,272.29 × 47,161.92 - Step 4: Simplify right side
165,488.88x = 11,708,997,879.20 - Step 5: Solve for x
x = 11,708,997,879.20/165,488.88 - Step 6: Final answer
x = 70,753.99
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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.