Finding the Fourth Proportional to 338,197.34, 507,317.88 and 113,548.70
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Solution
The fourth proportional to 338,197.34, 507,317.88 and 113,548.70 is: 170,330.39
Step by Step Solution
- Step 1: Write the proportion equation
338,197.34 : 507,317.88 = 113,548.70 : x - Step 2: Convert to fraction form
338,197.34/507,317.88 = 113,548.70/x - Step 3: Cross multiply
338,197.34x = 507,317.88 × 113,548.70 - Step 4: Simplify right side
338,197.34x = 57,605,285,760.76 - Step 5: Solve for x
x = 57,605,285,760.76/338,197.34 - Step 6: Final answer
x = 170,330.39
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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.