Finding the Fourth Proportional to 338,888.08, 507,977.44 and 114,170.86
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Solution
The fourth proportional to 338,888.08, 507,977.44 and 114,170.86 is: 171,136.80
Step by Step Solution
- Step 1: Write the proportion equation
338,888.08 : 507,977.44 = 114,170.86 : x - Step 2: Convert to fraction form
338,888.08/507,977.44 = 114,170.86/x - Step 3: Cross multiply
338,888.08x = 507,977.44 × 114,170.86 - Step 4: Simplify right side
338,888.08x = 57,996,222,177.15 - Step 5: Solve for x
x = 57,996,222,177.15/338,888.08 - Step 6: Final answer
x = 171,136.80
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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.