Finding the Fourth Proportional to 442,201.92, 663,139.68 and 157,816.38
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Solution
The fourth proportional to 442,201.92, 663,139.68 and 157,816.38 is: 236,666.33
Step by Step Solution
- Step 1: Write the proportion equation
442,201.92 : 663,139.68 = 157,816.38 : x - Step 2: Convert to fraction form
442,201.92/663,139.68 = 157,816.38/x - Step 3: Cross multiply
442,201.92x = 663,139.68 × 157,816.38 - Step 4: Simplify right side
442,201.92x = 104,654,303,731.96 - Step 5: Solve for x
x = 104,654,303,731.96/442,201.92 - Step 6: Final answer
x = 236,666.33
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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.