Finding the Fourth Proportional to 165,358.08, 227,789.12 and 119,902.48
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Solution
The fourth proportional to 165,358.08, 227,789.12 and 119,902.48 is: 165,171.73
Step by Step Solution
- Step 1: Write the proportion equation
165,358.08 : 227,789.12 = 119,902.48 : x - Step 2: Convert to fraction form
165,358.08/227,789.12 = 119,902.48/x - Step 3: Cross multiply
165,358.08x = 227,789.12 × 119,902.48 - Step 4: Simplify right side
165,358.08x = 27,312,480,405.02 - Step 5: Solve for x
x = 27,312,480,405.02/165,358.08 - Step 6: Final answer
x = 165,171.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.