Finding the Fourth Proportional to 442,197.92, 663,133.68 and 157,812.38
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Solution
The fourth proportional to 442,197.92, 663,133.68 and 157,812.38 is: 236,660.33
Step by Step Solution
- Step 1: Write the proportion equation
442,197.92 : 663,133.68 = 157,812.38 : x - Step 2: Convert to fraction form
442,197.92/663,133.68 = 157,812.38/x - Step 3: Cross multiply
442,197.92x = 663,133.68 × 157,812.38 - Step 4: Simplify right side
442,197.92x = 104,650,704,298.96 - Step 5: Solve for x
x = 104,650,704,298.96/442,197.92 - Step 6: Final answer
x = 236,660.33
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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.