Finding the Fourth Proportional to 338,416.38, 507,267.36 and 113,563.62
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Solution
The fourth proportional to 338,416.38, 507,267.36 and 113,563.62 is: 170,225.56
Step by Step Solution
- Step 1: Write the proportion equation
338,416.38 : 507,267.36 = 113,563.62 : x - Step 2: Convert to fraction form
338,416.38/507,267.36 = 113,563.62/x - Step 3: Cross multiply
338,416.38x = 507,267.36 × 113,563.62 - Step 4: Simplify right side
338,416.38x = 57,607,117,709.44 - Step 5: Solve for x
x = 57,607,117,709.44/338,416.38 - Step 6: Final answer
x = 170,225.56
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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.