Finding the Fourth Proportional to 338,239.44, 507,318.84 and 88,940.88
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Solution
The fourth proportional to 338,239.44, 507,318.84 and 88,940.88 is: 133,400.72
Step by Step Solution
- Step 1: Write the proportion equation
338,239.44 : 507,318.84 = 88,940.88 : x - Step 2: Convert to fraction form
338,239.44/507,318.84 = 88,940.88/x - Step 3: Cross multiply
338,239.44x = 507,318.84 × 88,940.88 - Step 4: Simplify right side
338,239.44x = 45,121,384,070.18 - Step 5: Solve for x
x = 45,121,384,070.18/338,239.44 - Step 6: Final answer
x = 133,400.72
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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.