Finding the Fourth Proportional to 422,243.14, 633,395.54 and 118,682.08
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Solution
The fourth proportional to 422,243.14, 633,395.54 and 118,682.08 is: 178,031.79
Step by Step Solution
- Step 1: Write the proportion equation
422,243.14 : 633,395.54 = 118,682.08 : x - Step 2: Convert to fraction form
422,243.14/633,395.54 = 118,682.08/x - Step 3: Cross multiply
422,243.14x = 633,395.54 × 118,682.08 - Step 4: Simplify right side
422,243.14x = 75,172,700,149.92 - Step 5: Solve for x
x = 75,172,700,149.92/422,243.14 - Step 6: Final answer
x = 178,031.79
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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.