Finding the Fourth Proportional to 165,067.28, 247,507.93 and 52,721.09
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Solution
The fourth proportional to 165,067.28, 247,507.93 and 52,721.09 is: 79,051.93
Step by Step Solution
- Step 1: Write the proportion equation
165,067.28 : 247,507.93 = 52,721.09 : x - Step 2: Convert to fraction form
165,067.28/247,507.93 = 52,721.09/x - Step 3: Cross multiply
165,067.28x = 247,507.93 × 52,721.09 - Step 4: Simplify right side
165,067.28x = 13,048,887,853.24 - Step 5: Solve for x
x = 13,048,887,853.24/165,067.28 - Step 6: Final answer
x = 79,051.93
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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.